Hackers broke into the computer system of a facility that treats water for about 15,000 people near Tampa, Florida and sought to add a dangerous level of additive to the water supply, the Pinellas County Sheriff said on Monday.
A Minnesota man accused of shooting several people and bombing a health clinic he had threatened over a grievance related to a back surgery was charged with murder and attempted murder in court on Thursday, according to police and local media.
Texas officials warned of "disasters within the disaster" of historic cold weather that left millions without heat for a third day on Wednesday, telling residents to prepare for energy to not return until the weekend.
At least 13 people, 10 of them Mexican nationals, were killed on Tuesday when a tractor-trailer slammed into an SUV crammed with 25 adults and children on a dusty Southern Californian road near the U.S.-Mexico border, officials said.
A former police chief in Maryland was labeled as a serial arsonist by law enforcement officials on Thursday, a day after he was charged with setting a dozen fires over a span of nine years targeting his enemies.
Hawaii Governor David Ige declared an emergency in the U.S. state after heavy rains brought floods, landslides and fear of dam failures, and authorities ordered the evacuation of several thousand people from communities threatened by rising waters.