10 p.m. update
Sault Ste. Marie Police Cnst. Sonny Spina tells SooToday that police and EMS responded to a call for service on Trelawne Avenue earlier today.
"No criminal activity was discovered," he said.
Original story 1 p.m.
A heavy first responder presence including Sault Ste. Marie Police and EMS was spotted at Trelawne Avenue early Sunday afternoon.
More details to follow as they become available.