SACRAMENTO, Calif. (AP) - California safety officials on Monday activated a statewide threat assessment system in response to explosions at the finish line of the Boston Marathon.
MIAMI (AP) - Carnival Corp. said Monday it will repay the U.S. government an unspecified amount for the costs to taxpayers of responses to disabling accidents on its Triumph and Splendor cruise ships, both of which left thousands of passengers stranded at sea for days.
WASHINGTON (AP) - President Barack Obama, responding to the explosions at the Boston Marathon, says the United States does not know "who did this or why" but vowed that whoever is responsible "will feel the full weight of justice."
WASHINGTON (AP) - The Secret Service expanded its security perimeter at the White House on Monday following the explosions at the Boston Marathon.
WASHINGTON (AP) - Here's a little secret for all you procrastinators on Tax Day: The Internal Revenue Service doesn't like to talk about it, but as long as you don't owe any additional taxes, there is no penalty for filing a few days late.
LOS ANGELES (AP) - Aubrey Plaza interrupted Will Ferrell's acceptance speech at the MTV Movie Awards, then left.
SANTA BARBARA (AP) - Officials say Santa Barbara County jail is on lockdown after inmates started a fire, refused to evacuate from their cells and taunted firefighters sent to put it out.
WASHINGTON (AP) - Worried the Internal Revenue Service might target you for an audit? You probably should be if you own a small business in one of the wealthy suburbs of Los Angeles.
KAUFMAN, Texas (AP) - Authorities investigating the deaths of a North Texas district attorney and his wife appear to have narrowed their focus on a former justice of the peace prosecuted last year by the official for theft.
MANILA, Philippines (AP) - A Chinese vessel that ran into a protected coral reef in the southwestern Philippines held evidence of even more environmental destruction inside: more than 10,000 kilograms (22,000 pounds) of meat from a protected species, the pangolin or scaly anteater.
ROHNERT PARK, Calif. (AP) - Officials say an 8-year-old boy's heart stopped after he was hit in the chest with a baseball during a game in Northern California, but he's expected to survive.
IRVINE, Calif. (AP) - John Galardi, who opened a Wienerschnitzel hot dog stand in Los Angeles in 1961 and expanded it into a chain with more than 300 outlets in 10 U.S. states, has died, his company said Sunday.
DENVER (AP) - Thousands of people are expected to join an unofficial counterculture holiday celebrating marijuana in Colorado and Washington this coming weekend, including out-of staters and even packaged tours. The events and crowds will test the limits of new laws permitting pot use by adults.
PALMDALE (AP) - The Sheriff's Department says a human skull has been found in northern Los Angeles County.
COSTA MESA (AP) - Police say a Costa Mesa man has died in an explosion at his home that's prompted the evacuation of 16 neighbors.
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.
Palmdale was ordered to hold a new election for City Council members next year after a Superior Court judge concluded there was discrimination against black and Latino voters in November citywide races.
LONGMONT, Colo. (AP) - A woman who allegedly offered topless hairstyling services in northern Colorado faces criminal charges. But police say the problem isn't cutting hair without a top. It's cutting hair without a license.
HONOLULU (AP) - A kayak fisherman died Monday after a shark attack off Maui, local officials said.
LOS ANGELES (AP) - A man charged with killing a Transportation Security Administration officer during an attack at Los Angeles International Airport last month is scheduled to make his first court appearance Wednesday.
TOLEDO, Ohio (AP) - A 14-year-old student flashed a pellet gun inside an Ohio high school, setting off a lockdown and short standoff Monday in a hallway before he was taken into custody and charged, police and a witness said.
YONKERS, N.Y. (AP) - A commuter train that derailed over the weekend, killing four passengers, was hurtling at 82 mph as it entered a 30 mph curve, a federal investigator said Monday. But whether the wreck was the result of human error or brake trouble was still unclear, he said.
NEW YORK (AP) - Investigators mined the data recorders Monday and sought to question the engineer and conductor for clues to why a commuter train jumped the tracks along a sharp curve, killing four passengers.
NEW YORK (AP) - It's the day of the online deal.