UPDATE: Biddeford Police now say two men, both from Portland, were taken to the hospital with stab wounds around 5 a.m. Sunday morning. The stabbing occurred at 5 York Ct. Police say witnesses are not cooperating and detectives are attempting to interview the victims at the hospital. Police do not believe there is a threat to the public.

BIDDEFORD, Maine (NEWS CENTER) -- Police taped off multiple buildings Sunday morning on Elm Street in Biddeford, including a Papa John's, though the reason why remains unclear.

According to Papa John's employees, they found blood on a window when they arrived for their shift Sunday morning and say there's a trail of blood on the sidewalks nearby.

Police have not commented on the investigation.

This story is developing.