The suspect is Michael Darnell Williams, a 44-year-old man, from Saginaw, MI. He is currently being held at the Berrien County Sheriff’s Department on charges of assault with intent to murder.
Police are trying to figure out what motivated the attack.
Police received the call about the incident at 7 p.m. while the train was parked at a station located at N 6th Street and Pokagon in Niles, MI.
When police arrived at the Niles train station, the attack was in progress. Police stormed the train and used a Taser on the suspect before taking him into custody.
The four people were injured but no fatalities were reported, according to a police spokeswoman.
The victims included the train’s conductor, a female passenger and two male passengers. All victims are in stable condition. Two people were hospitalized at Lakeland Healthcare Hospital in Niles.
Several from Michigan were on board. No information if any of those individuals were victims.
Amtrak said in a statement Friday night that the incident took place on board Train #364 at the Niles Train Station. The train was operating on the Blue Water Service line, and was en route from Chicago to Port Huron, Mich.
Amtrak says it is arranging alternate transportation for the 172 passengers on board.
The Niles City Police Dept. and Amtrak Police are investigating.