Two years after a gunman rained gunfire on country music fans from a high-rise Las Vegas hotel, MGM Resorts International reached a settlement that could pay up to $800 million to families of the 58 people who died and hundreds of others who were injured, attorneys announced Thursday.

In the two years since the deadliest mass shooting in modern U.S. history, the federal government and states have tightened some gun regulations.

Four college students were wounded when a gunman opened fire into a crowd of 200 people outside a library near Clark Atlanta University and then escaped in the chaos, authorities said.

President Trump says he wants to reopen mental institutions as a way to address mass shootings, an idea he pushed twice Thursday and has floated before.

A shooting on the edge of an Alabama college campus left two people dead and three others with injuries.

Authorities say several Philadelphia police officers have been shot in an "active and ongoing" shooting situation in the city.

Investigators are split on whether the Dayton shooter intentionally killed his sister, who was one of the first nine he killed, the city's police chief said Tuesday.

Funerals were being held Saturday for some of the victims of mass shootings in Dayton, Ohio and El Paso, Texas.

A defamation lawsuit Sarah Palin brought against The New York Times was restored by a federal appeals court Tuesday, giving the onetime Republican vice presidential nominee an opportunity to prove her claims that the newspaper falsely accused her of inciting a mass shooting that severely wounded a congresswoman.