Update!

From MSP:
The Investigation continues into an explosive device brought into the Newaygo High School yesterday morning.  Additional explosive devices were located last night at a residence and were safely detonated by the Michigan State Police Bomb Squad.
​LATER: The MSP Bomb Squad has given the all clear for investigators to begin their search of the residence.
LATER:
The MSP bomb squad returned to a residence at the 2300 block of E. 95th in connection to the investigation of the explosive device at the Newaygo High School yesterday. Additional explosive materials were located at the residence and unstable materials were countered charged for safety. The bomb squad is continuing their protocols to render the scene safe for investigators.