At least four people were killed in Thursday's shooting at Silver Rail Elementary School, multiple law enforcement sources told CBS News. The suspect is also dead.

The Pennsylvania man accused of killing eight people "exercised significant control" over his family at their Erie home, police said.

The White House is preparing plans to use a weapon dubbed the "mother of all bombs" on Iran, sources say. CBS News' James LaPorta has more on that and his report that former Army Chief of Staff Randy George warned months before the Iran war of a U.S. missile defense shortage, according to sources.

Gurpatwant Singh Pannun told CBS News that the FBI visited his home to warn him about what he said was an "imminent threat to my life."

Vice President JD Vance is campaigning for Republican Michigan Senate candidate Mike Rogers on Thursday night. CBS News senior White House and political correspondent Ed O'Keefe spoke with Rogers ahead of the event.

Federal investigators said they are looking into suspicious letters containing unknown substances that were mailed to state election officials and congressional offices.

Authorities are investigating a shooting at an Oregon elementary school. Multiple people, including children, were killed, sources say. The suspected shooter is also dead. CBS News crime reporter Anna Schecter has more details.

Texas Democratic Senate nominee James Talarico appeared on CNN for a town hall Wednesday night and tried to quell doubts about his support for capitalism and immigration enforcement. He also spoke about his position on abortion. CBS News congressional correspondent Caitlin Huey-Burns has more. CNN is owned by CBS News' parent company, Skydance.