Police reportedly received a tip that a student might be inside the school with a gun.
Police sources said the situation involved a female custodian who was apparently assaulted by her ex-boyfriend.
A lockdown has been lifted from three schools in Monroe after police called off the search for an abduction suspect in the area.
Police in Walled Lake are on the hunt for a driver wanted in an apparent road rage incident Friday morning.
A Macomb County high school is no longer under lockdown after several people reported seeing someone in the neighborhood with a gun.
A Monday morning robbery led to a lockdown at Canton schools.
A bank robbery in Pittsfield Township, near Ann Arbor, led to a brief, precautionary lockdown Wednesday at a nearby elementary school.
Police are searching for two men who made off with some cash following a holdup at TCF bank branch in Saline.
A lockdown has been lifted for two northern Macomb County schools after authorities searched the area for two people who ran from Border Patrol agents.
Novi High School went into lockdown on Wednesday after a parent allegedly made some threatening remarks to his ex-wife.