The Los Angeles Sheriff's Department was handling a bomb threat on the Monrovia Gold Line train platform Saturday afternoon.
Reports of a suspicious item found on a train were reported at 3:55 p.m.
The train and surrounding areas were immediately evacuated.
The arson and explosive team responded for the examination and removal of the item.
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A sigalert was issued in Monrovia on the 210 Freeway off-ramps to Myrtle Avenue.
The area was closed for a little more than two hours due to the police activity.
The suspicious item was cleared, and the area was reopened at 6:32 p.m. the same day.
