By MyFM's Rick Michaels - A commuter rail train hit and killed a teenager in Ashland late last night. A 17-year old boy was hit by an inbound train at about ten o’clock last night stopping trains in both directions on the Worcester-Framingham line. MBTA Transit Police were on the scene in Ashland to investigate the accident. The teen was trespassing on the tracks and was struck near the Fountain Street overpass. Ashland Fire and emergency medical services responded. The unidentified teenager was pronounced dead at the scene. MBTA Transit Police and the Middlesex District Attorney’s office will handle the investigation.