A man was killed on Thursday night when he was struck by a commuter train near an NJ Transit station, officials said. He was hit by Raritan Valley Line train 5150 near Fanwood Station in Union County at 7:21 p.m., according to NJ Transit. The agency did not release the circumstances of the incident. There were about 100 customers on board the train at the time. No injuries were reported among passengers or crew members. The train departed Raritan Station at 6:49 p.m. and was scheduled to arrive at New York Penn Station at 8:14 p.m., officials said. Service on the Raritan Valley Line was suspen…