Three East China schools will be closed Friday due to a possible threat.
The district said that Marine City High School, Riverview East High School and Marine City Middle School will be closed Jan. 20 as a precautionary measure.
A threat was received at 5 p.m. Thursday. Police are investigating whether or not the threat was related to an earlier threat made by a student during the school day.
Stay with FOX 2 for more information as it becomes available.