State Police Investigating Tuesday Morning Train Derailment

A train derailment early Tuesday morning in Andover, impacting the Haverhill Commuter Line throughout rush hour is being investigated by State Police, the U.S. Department of Transportation and Transit Police.

State Police issued a statement Tuesday night saying the causes of both derailments remain under investigation and that their agency provided assistance in securing affected portions of the track for analysis and handling other forensic duties, as well as in conducting interviews.

Officials say the investigation is ongoing, but right now there is no evidence of interference or tampering with the tracks.