Traffic on an MBTA Commuter Rail line was temporarily stopped Tuesday after suspicious bottles were found on the tracks in Concord, Massachusetts, police say.
The commuter rail tweeted that the police had a hold on trains on the Fitchburg Line, and the transit agency was expecting "significant delays." Concord police confirmed on Twitter that authorities were investigating suspicious bottles on the tracks in the area of Sudbury Road.
A source tells NBC Boston that someone had put bottles filled with chemicals in them with the intention of an explosive reaction. No bottles were hit by trains.
It was unclear what type of chemical was in the bottles or how many devices were placed on the tracks.
Concord police and fire crews responded just before 5 p.m., as did state police and transit police. They were initially called to the area for a small brush fire on the tracks when the discovery was made.
"In investigating a brush fire, we found the first device had activated and then search other area tracks and found the second," said Concord Fire Chief Mark Cotreau.
Transit police later said they did not believe the incident was an act of terrorism.
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The line was reopened a couple of hours later. Some commuters said although they were delayed, they were just grateful no one was hurt.
