A suspect is in custody in Michigan after a stabbing incident onboard an Amtrak train.<br/> <br />Officials say it happened on a train that was stationed in Niles, Michigan, enroute from Chicago and on it's way to Port Huron.<br/> <br />Witnesses told local media that four people had been stabbed including three passengers and the train's conductor.<br/> <br />(SOUNDBITE) (English) UNIDENTIFIED WITNESS SAYING:<br/> <br />"I heard somebody screaming and yelling just loud. I look up and there's an African American gentleman standing over someone who's sitting down in one of the first seats in the car and I see him have his fist up and then bring it down."<br/> <br />The train service runs daily from Chicago to Port Huron in Michigan.<br/> <br />Amtrak said it's trying to arrange alternative transportation for 172 passengers.
