Niagara Regional Police are addressing reports of a firearm at Port Colborne High School.
No injuries have been reported.
At McKay Public School, children who typically bus home will be placed on buses.
Children who do not bus home will be released to their parents or allowed to walk home.
Port Colborne High School and Steele Street Public School are now releasing students.
The Emergency Task Unit is actively investigating.
Parents waiting for children are asked to wait at 54 West Side Road.
