PITTSBURGH (AP) - Pittsburgh police said they had serious concerns when an armed man took a business owner hostage in a downtown high-rise office building - and not just because he had a knife.
WASHINGTON (AP) - A breeze of momentum on his side, President Barack Obama was trying to shore up support in a pivotal state Saturday while he and rival Mitt Romney argue over who can change the country's political culture and best protect the financial and health security of older Americans.
NEW YORK (AP) - New York City police say they plan to arrest a man mauled by a tiger at the Bronx Zoo.
BOSTON (AP) - A Harvard University journal says it hasn't fully verified research that purportedly shows some early Christians believed Jesus had a wife, even though Harvard's divinity school touted the research during a publicity blitz this week.
WASHINGTON (AP) - Mitt Romney struggled to steady his presidential campaign on Friday, buffeted by an outbreak of sniping among frustrated Republicans, fresh evidence of a slide in battleground state polls and President Barack Obama's accusation that he was writing off "half the country" in pursuit of the White House.
SAN ANTONIO (AP) - The Air Force handed the reins of basic training to a woman Friday following a sex scandal in which 42 female recruits say they were improperly approached, sexually harassed or raped during their first weeks in uniform.
WASHINGTON (AP) - On its last day in session before the election, the Senate tied itself in knots over 41 polar bear carcasses that hunters want to bring home from Canada as big game trophies.
NEW YORK (AP) - A man was mauled by a 400-pound tiger at the Bronx Zoo on Friday after he leaped from a moving monorail train and plummeted over a protective fence.
INDIO, Calif. (AP) - Two former employees of the Coachella Valley Unified School District have been found guilty of stealing public funds.
SACRAMENTO, Calif. (AP) - Authorities have arrested four California residents for allegedly running a Ponzi scheme that defrauded dozens of investors out of $2.3 million from 2003 to 2011.
New research powerfully strengthens the case against soda and other sugary drinks as culprits in the obesity epidemic.
LOS ANGELES (AP) - Authorities are investigating the apparently drowning of a crew member who was working on a set for upcoming "The Lone Ranger" film.
LOS ANGELES (AP) - A former gang member's long-awaited exoneration was delayed Friday only hours before a scheduled hearing because of a judge's illness, leaving him to wait in prison another weekend before he is formally cleared of a murder conviction.
Eager iPhone 5 enthusiasts started lining up Thursday afternoon outside Apple Store Valencia Town Center, and the line extended more than 100 yards by Friday morning as Apple released the latest version of its smartphone.
LOS ANGELES (AP) - The people became the paparazzi Friday, aiming their lenses not at the latest starlet, but toward the sky to catch a glimpse of an aging superstar headed for retirement.
OAKLAND, Calif. (AP) - A San Francisco Bay Area Rapid Transit train's emergency brakes malfunctioned Wednesday, stranding hundreds of passengers in a tunnel and sending at least nine people to hospitals, officials said.
BOISE, Idaho (AP) - More than 60 search and rescue personnel scoured the central Idaho mountains Wednesday for five people, including four family members, who were onboard a plane that disappeared three days earlier.
EVERGLADES NATIONAL PARK, Fla. (AP) - Wildlife workers in boats struggled Wednesday to coax nearly four dozen pilot whales out of dangerous shallow waters in Florida's Everglades National Park, hoping to spare them the fate of 10 others that already have died.
YONKERS, N.Y. (AP) - An engineer whose speeding commuter train ran off the rails along a curve, killing four people, experienced a hypnotic-like daze and nodded at the controls before he suddenly realized something was wrong and hit the brakes, a lawyer said as a federal regulator called for the railroad to make immediate safety improvements.
LOS ANGELES (AP) - Wags and barks speak volumes when it comes to understanding what a dog is saying, but there are also clues in a dog's eyes, ears, nose or the tilt of its head. Are humans getting the right messages?
HARTFORD, Conn. (AP) - Recordings of several 911 calls made from inside Sandy Hook Elementary during last year's school shooting are being released under court order Wednesday after a legal fight by The Associated Press.
RICHMOND, Calif. (AP) - Two California cities have voted to ban electronic cigarettes while a motion will be introduced Wednesday in Los Angeles to limit the smokeless devices where cigarette smoking is already prohibited.
SIMI VALLEY, Calif. (AP) - Authorities are investigating the discovery of two bodies outside a home in Ventura County.
NEW YORK (AP) - A union official says a commuter train engineer caught himself nodding at the controls before the train started to veer off its tracks and derailed in New York City, killing four people.
Production on "Fast & Furious 7" is on hold following the death of star Paul Walker.
LAGOS, Nigeria (AP) - Entombed at the bottom of the Atlantic Ocean in an upended tugboat for three days, Harrison Odjegba Okene begged God for a miracle.
WASHINGTON (AP) - To say that new academic standards have yielded strange bedfellows would be an understatement.
LONDON (AP) - Volkswagen turns off some employees' email 30 minutes after their shifts end. Goldman Sachs is urging junior staff to take weekends off. BMW is planning new rules that will keep workers from being contacted after hours.
WASHINGTON (AP) - Seeking to move past its website woes, the Obama administration is launching a two-pronged health care strategy this month aimed at avoiding enrollment snafus come January while also trying to refocus the public's attention on broader benefits of the sweeping law.
CUPERTINO, Calif. (AP) - A man has been arrested on suspicion of stealing from Apple after police found him hiding in the bushes near the company's corporate campus in Northern California.