Both sides of I-96 closed near Schaefer and Grand River for shooting investigation

Michigan State Police has closed eastbound and westbound I-96 near Schaefer/Grand River for a possible shooting investigation.

At least four people are injured on both the east and westbound sides of the freeway, although to what extent and how, investigators have not released at this time.

Image still courtesy MDOT traffic camera

In a tweet, MSP said it received multiple 911 calls regarding a possible shooting that took place. 

One witness who called FOX 2 said that it appeared to have been a road rage incident that escalated into a shooting, but that has not been confirmed.

Stay with FOX 2 for more information as it becomes available.