A gunman killed seven people before being arrested in California on Monday, just two days after a shooting claimed 11 lives at a popular dance hall.
Around 25 million people in California are under a flood watch this weekend as the latest in a parade of deadly storms drenches the state.
US President Joe Biden's aides have found a fresh batch of classified government records at a second location, in a growing political embarrassment for the White House.
The US justice department is reviewing potentially classified documents found in President Joe Biden's former office at a think tank, the White House says.
The condition of a Virginia teacher left seriously injured when she was shot by a six-year-old pupil has shown signs of improvement, authorities say.
Thirteen-year-old Nika Selivanova made a heart shape with both her hands, waving goodbye to her best friend Inna who was pressed up against the glass partition that divided the entrance hall of Kherson's train station from the waiting area.
At least 28 people have died in western New York state, most in Buffalo, and 56 in total as a monster winter storm continues to batter North America.
More than one million Americans and Canadians are facing Christmas Day without power as a massive winter storm continues to pummel North America.
Some 200 million Americans are feeling the icy grip of a massive winter storm that has been linked to at least 19 deaths ahead of the holiday weekend.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.