A man was shot and killed by police after he allegedly threatened residents and staff of a suburban assisted living facility with a chainsaw on Sunday.

A chainsaw-wielding man was shot and killed by police at a senior living facility near Chicago Sunday. Police said it started after they got a call about a shirtless man trying to cut down a tree with a chainsaw at the River Glen of St. Charles senior living center, according to ABC 7 Chicago.

A use-of-force investigation is underway in the fatal police shooting of a chainsaw-wielding man who threatened residents of a St. Charles assisted living center Sunday morning. Authorities have not yet released the suspect’s identity,

ST. CHARLES, Ill. (CBS) -- Police in St. Charles shot and killed a man they said was trying to attack officers and residents of a seniors' assisted living center with a chainsaw Sunday morning.

A man who Illinois authorities said threatened senior-living facility residents and staff with a chainsaw on Sunday was shot to death by police.

State and local law enforcement confirmed that a man wielding a chainsaw inside a senior-living facility in St. Charles, Illinois, was shot and killed by police early Sunday. Officers and residents of

St. Charles police were initially called for a welfare check after witnesses reported a shirtless man, later determined to be Escalera, holding a chainsaw and attempting to cut do