Dozens injured by deadly Iowa tornadoes as powerful storms slam Midwest, Uvalde school shooting victims' families announce $2 million settlement with Texas city and new lawsuits, and the best times to travel on a busy Memorial Day weekend.

Uvalde school shooting report finds 'systemic failures' in law enforcement response, Zelensky removes Ukraine's General Prosecutor, head of Secret Service, and NY football coach to attempt Alcatraz Sharkfest Swim for charity.

Uvalde school-district Police Chief Pete Arredondo is put on leave, President Biden calls on Congress to approve a 3-month gas tax holiday, and exposure to any light during sleep linked to obesity.

Uvalde parents, community members call for chief's resignation at emotional school board meeting, President Biden says he is near decision on backing federal gasoline-tax holiday, and Nobel sold for Ukrainian kids shatters record at $103.5 million.

Mourners gather as funerals begin for Uvalde school killings, Supreme Court blocks Texas social-media law, and the sports fans who root for the referees.

President Biden vows to 'continue to push' for gun laws after visiting Uvalde, ways Russia is wrecking the global economy, and sisters find each other after 45 years apart.