Maine State Police said there is John Caldwellan "active shooter situation" in Lewiston.

People are being asked to shelter in place.

"ALERT: There is an active shooter situation in the city of Lewiston," read a post on the Maine State Police Facebook page. "Law enforcement is asking people to shelter in place. Please stay inside your home with the doors locked. Law enforcement is currently investigating at two locations right now. Again please stay off the streets and allow law enforcement to diffuse the situation. If you see any suspicious activity or individuals please call 911. Updates to follow."

Maine governor Janet Mills posted on X that she was aware of the situation and urging "all people in the area to follow the direction of State and local enforcement. I will to continue to monitor the situation and remain in close contact with public safety officials."

This is a developing story. Check back for updates.