WASHINGTON (AP) - An envelope addressed to Sen. Roger Wicker of Mississippi tested positive Tuesday for ricin, a potentially fatal poison, authorities said, heightening concerns about terrorism a day after a bombing killed three and left more than 170 injured at the Boston Marathon.
NEW YORK (AP) - Fox has pulled from websites a recent episode of "Family Guy" that depicts mass deaths at the Boston Marathon, and has no immediate plans to air it again.
LOS ANGELES (AP) - Frank Bank, who played oafish troublemaker Lumpy on the sitcom "Leave It to Beaver," has died. He was 71.
DALLAS (AP) - American Airlines grounded flights across the country Tuesday because of an outage of its main reservations system. Thousands of passengers were stranded at airports and on airplanes.
BOSTON (AP) - Federal agents zeroed in Tuesday on how the Boston Marathon bombing was carried out - with kitchen pressure cookers packed with explosives, nails and other lethal shrapnel - but said they still didn't know who did it and why.
GUANTANAMO BAY NAVAL BASE, Cuba (AP) - The top medical official at the Guantanamo Bay prison says five detainees were injured in the weekend clash with guards.
WASHINGTON (AP) - The Supreme Court is trying to sort out a wrenching adoption case involving a Native American child, a biological father who first renounced any interest in her and adoptive parents who were eventually ordered to hand her over to the father.
CHICAGO (AP) - Far-flung family members, co-workers and friends frantically used social media, cellphones and even a "people finder" website Monday to try to learn the fate of participants and spectators at the Boston Marathon, where three people were killed and dozens injured after a pair of bombs exploded near the finish line of one of the world's great races.
BOSTON (AP) - Massachusetts Gov. Deval Patrick says no unexploded bombs were found at the Boston Marathon. He says the only explosives were the ones that went off Monday.
MIAMI (AP) - Lined up in front of their dugouts, all wearing No. 42 on Jackie Robinson Day, the Washington Nationals and Miami Marlins stood for a moment of silence to honor bombing victims at the Boston Marathon.
OINT BASE ELMENDORF-RICHARDSON, Alaska (AP) - An Alaska-based military policeman will serve 16 years in prison and will be dishonorably discharged for selling military secrets to a Russian agent, who was an undercover FBI agent, a military panel decided Monday.
LONDON (AP) - With more than 30 marathons being held this weekend alone and big events on the horizon, officials around the world are boosting security efforts in the wake of the fatal bomb blasts that shook Boston's race.
BOSTON (AP) - FBI agents searched a suburban Boston apartment overnight and appealed to the public for amateur video and photos that might yield clues to who carried out the Boston Marathon bombing, while a doctor treating the wounded said one of the victims was maimed by what looked like ball bearings or BBs.
PYONGYANG, North Korea (AP) - North Korea quietly marked a second day of celebrations for its first leader's birthday and issued prickly new rhetoric Tuesday threatening retaliation for what it sees as provocations by South Korea and the United States, who have been watching closely for signs the North may go ahead with a suspected medium-range missile launch.
EL CAJON, Calif. (AP) - A San Diego County man has pleaded guilty to killing his 94-year-old neighbor with a hammer as she slept.
NEW YORK (AP) - Jack's back.
BUFFALO, N.Y. (AP) - Franchesca Moreno's work as a student teacher didn't end when the kids went home for the day.
RANCHO CUCAMONGA, Calif. (AP) - A Southern California wildfire that forced more than 1,000 people from their homes was only smoldering on Thursday as gusty winds eased and fire crews were able to halfway surround it, fire officials said.