Reuters - Pakistani police said on Sunday they suspected Islamist militants based in the tribal areas on the Afghan border were behind a suicide attack that killed up to 20 people at an election rally in the northwest a day earlier.

AP - Sen. Barack Obama won caucuses in Nebraska and Washington state and moved ahead in the Louisiana primary Saturday night, slicing into Sen. Hillary Rodham Clinton's slender delegate lead in their historic race for the Democratic presidential nomination.

Reuters - Barack Obama won Democratic presidential contests in Nebraska and Washington state on Saturday, striking blows in a bruising back-and-forth battle with Hillary Clinton for the party's nomination.

AFP - Barack Obama pummeled Democratic rival Hillary Clinton in the latest round of their battle for the White House nomination on Saturday, earning momentum and valuable delegates with big wins in Washington and Nebraska caucuses.

AP - After a suspenseful month of exhaustive interviews involving at least 10 candidates, the Washington Redskins decided their coach would be: none of the above.

AP - President Bush is asking Congress to spend money to help businesses root out illegal workers but he did not request additional funds to help legal immigrants become American citizens more quickly.

Reuters - Union leaders for striking Hollywood writers said they have reached a tentative contract deal with studios and urged members on Saturday to support it, calling for an end to a three-month walkout that has crippled TV production and overshadowed Oscar season.

AP - A major fire broke out late Saturday at London's famous Camden market, ripping through one of the city's top tourist draws and a nearby celebrity hangout, fire officials and witnesses said.

AP - Space shuttle Atlantis and its astronauts delivered a sparkling new lab to the international space station Saturday, but had to delay installing it by a day because of a crew member's medical problem.

AP - As crews pulled another body from the charred remnants of a sugary refinery on Saturday, families and co-workers waited anxiously for identities of the five dead and the fate of the three men still missing.

AP - Women shrouded in black shop for gold jewelry and fabric. Young boys tote trays of tea. The smell of tangerines wafts through the air. This is Fallujah 2008 — a former insurgent stronghold that U.S. commanders now hold up as an example for the rest of Iraq.

AP - A suicide bomber blasted a political gathering Saturday in northwestern Pakistan, killing at least 25 people, wounding dozens and stoking fears about security surrounding this month's parliamentary election.

AP - Hollywood writers got their first look Saturday at details of a tentative agreement with studios that could put the strike-crippled entertainment industry back to work, an offer the union's East Coast president said he was endorsing.

Reuters - An Israeli air strike killed a Hamas militant in the Gaza Strip on Sunday, Palestinian medical workers and Hamas said.

Reuters - U.S. space shuttle Atlantis arrived at the International Space Station on Saturday, but the installation of its primary cargo, a European science laboratory, will be delayed for a day due to an astronaut health problem, NASA said.

AP - Yahoo Inc.'s board will reject Microsoft Corp.'s $44.6 billion takeover bid after concluding the unsolicited offer undervalues the slumping Internet pioneer, a person familiar with the situation said Saturday.

Reuters - The primary elections have been called the most gripping in recent years but not in the Deep South state of Louisiana where parties struggled to motivate voters on Saturday.

Reuters - Yahoo Inc is set to reject Microsoft Corp's unsolicited bid, now worth $42 billion, as too low, a source familiar with the situation told Reuters on Saturday -- the first clear signal the board might be prepared to negotiate and sell the Internet media giant.

AFP - A suicide bomber killed 20 people at an opposition rally in Pakistan Saturday, raising new fears for the security of elections that have been overshadowed by the killing of Benazir Bhutto.

Reuters - Turkey's parliament lifted a ban on Saturday on female students wearing the Muslim headscarf at university, a landmark decision that some Turks fear will undermine the foundations of their secular state.

AP - A distasteful comment about Chelsea Clinton by an MSNBC anchor could imperil Hillary Rodham Clinton's participation in future presidential debates on the network, a Clinton spokesman said.

AP - A classified Pentagon assessment concludes that long battlefield tours in Iraq and Afghanistan, along with persistent terrorist activity and other threats, have prevented the U.S. military from improving its ability to respond to any new crisis, The Associated Press has learned.

AP - Three days after the voting ended, the race for Democratic delegates in Super Tuesday's contests was still too close to call. With nearly 1,600 delegates from Tuesday contests awarded, Sen. Barack Obama led by two delegates Friday night, with 91 delegates still to be awarded. Obama won 796 delegates in Tuesday's contests, to 794 for Sen. Hillary Rodham Clinton, according to an analysis of voting results by The Associated Press.

AP - An American scholar said Friday that an official at the U.S. Embassy asked him to keep tabs on Venezuelan and Cuban workers in Bolivia. Washington said that any such request would be an error and against U.S. policy.

AP - Volatile dust was blamed Friday in an explosion that leveled a sugar refinery, and crews pulled four bodies from tunnels beneath the mangled mass of metal and beams left by the blast.

AP - The popular anti-wrinkle drug Botox and a competitor have been linked to dangerous botulism symptoms in some users, cases so bad that a few children given the drugs for muscle spasms have died, the government warned Friday.

AP - Analysis of a 40,000-year-old tooth found in southern Greece suggests Neanderthals were more mobile than once thought, paleontologists said Friday.

AP - A Superior Court commissioner gave Britney Spears' father the power to fire the singer's business manager, according to documents released Friday.

AP - It's become a daily routine: A new element of Brian McNamee's "I injected Roger Clemens with steroids and human growth hormone" story emerges — and Clemens' attorneys call the pitcher's former personal trainer a liar. The latest, and quite possibly oddest, twist involves Clemens' wife.

AFP - Al-Qaeda and Taliban leaders Osama bin Laden and Mullah Mohammad Omar and their top commanders are hiding in Pakistan, posing a "huge challenge" to the security of the country and neighboring Afghanistan, a senior US administration official said Friday.

Reuters - Four people died, four others were missing and more than three dozen were injured in an explosion and fire at a sugar refinery in the U.S. state of Georgia, authorities said on Friday.

Reuters - The controversial interrogation technique known as waterboarding and used by the United States qualifies as torture, the U.N. human rights chief said on Friday.

Reuters - Mullah Omar and other Taliban leaders are directing insurgency operations in Afghanistan from the Pakistani city of Quetta, while al Qaeda leader Osama bin Laden is operating from Pakistan's tribal areas, a senior U.S. administration official said on Friday.

Reuters - A nursing student shot two women to death and killed herself in front of horrified classmates at a college in the southern U.S. state of Louisiana on Friday, police said.

Reuters - Military lawyers defending Osama bin Laden's former driver on terrorism charges in the U.S. war court at Guantanamo Bay have offered a compromise in their quest to interview September 11 mastermind Khalid Sheikh Mohammed.

AFP - Kenya's political leaders on Friday agreed to negotiate a settlement to end weeks of bloodshed, with chief mediator Kofi Annan saying he hoped a deal could be reached early next week.

Reuters - President George W. Bush toured tornado-battered parts of the U.S. South on Friday and pledged to help the region rebuild after the worst rampage of twisters in nearly a quarter-century killed 58 people.

Reuters - U.S. President George W. Bush said on Friday he would sign a $152 billion economic stimulus package into law next week.

AP - Former Hollywood madam Heidi Fleiss was arrested Thursday on charges of illegal possession of prescription drugs and driving under the influence, authorities said.

AP - Congress, facing the prospect of an election-year recession, passed an emergency plan Thursday that rushes rebates of $600 to $1,200 to most taxpayers and $300 checks to disabled veterans, the elderly and other low-income people. President Bush indicated he would sign the measure.

AP - John McCain sought to mend his tattered relationship with conservatives and unify a splintered GOP as he all but clinched the party's presidential nomination Thursday. Mitt Romney, his former chief rival, dropped out, and a parade of prominent Republicans swung behind the Arizona senator.

AP - James Dobson, one of the nation's most prominent evangelical Christian leaders, is about to endorse former Arkansas Gov. Mike Huckabee, The Associated Press has learned.

AP - More than $1 billion a year was inappropriately funneled through Oral Roberts University, a lawsuit by a former senior accountant at the scandal-plagued school alleges.

AP - It sounds far-fetched — sticking needles in women to help them become pregnant — but a scientific review suggests that acupuncture might improve the odds of conceiving if done right before or after embryos are placed in the womb.

AP - Curt Schilling has an injured right shoulder, and the ballplayer and the Boston Red Sox have been squabbling over whether he should have surgery that could cost him the season or try something less drastic.

AP - Amy Winehouse will not attend this year's Grammy Awards because her request for a visa was denied, but she will perform by satellite at Sunday's ceremony in Los Angeles.

AFP - NATO defence ministers were set Friday for a second day of contentious talks on Afghanistan amid calls led by the United States and Britain for more frontline combat troops to fight resurgent Taliban forces.