The man, who did not have authorization to be in the Illinois facility, confronted residents while armed with the chainsaw, police said.

A man wielding a chainsaw inside a senior-living facility in St. Charles, Illinois, was shot and killed by police early Sunday, state and local law enforcement said.

A man was shot dead Sunday by St. Charles police as he wielded a chainsaw and threatened residents of an assisted living facility, according to authorities. Around 8:45 a.m. Sunday, dispatch officers with the police department responded to a welfare check on the property of the River Glen of St.