Police said four people have been stabbed on an Amtrak train in Michigan.
A suspect is in custody and the four wounded people were taken to hospitals.
The South Bend Tribune in Indiana reported that Niles, Michigan, Police Chief Jim Millin said someone called police from aboard the train on Friday night to report a suspicious person. When police arrived at the Niles train station, the attack was already underway.
Mr. Millin said an Amtrak employee was among those wounded.
Police said the suspect is from Saginaw, Michigan. Police have not said what might have motivated the attack or whether the suspect knew any of the victims.
The train was travelling from Chicago to Port Huron, Michigan. An Amtrak spokeswoman said the company arranged alternate transportation for 172 passengers.
