(Somerville Police)
SOMERVILLE, Mass. (WBZ NewsRadio) — A man who robbed a Somerville bank and fired at an officer is still on the loose.
The FBI has now offered a $20,000 reward for info that will lead to his arrest.
Multiple local, state, and federal law enforcement agencies are searching for that man, pictured above, who they said robbed the Middlesex Federal Savings Bank in Davis Square on May 1.
The man, who police described as Hispanic, got away—but not before exchanging gunfire with a Somerville Police officer who interrupted the robbery.
A Good Samaritan tried to stop the man. Surveillance video from a nearby business shows the bystander knocking a bag out of the suspect's hands as he ran from police.
Inside that bag was a handgun, but Somerville Police believe the man may still be armed.
One person was initially detained, but was determined not to be connected to the robbery and released.
Davis Square was closed for several hours, and MBTA Red Line trains were bypassing the Davis T stop.
Meanwhile, police conducted a thorough door-to-door search through the area. Heavily-armed SWAT officers patrolled neighborhoods near the square, clearing buildings, offices, and even rooftops.
"At this point we've cleared this neighborhood, but we're gonna maintain a presence for the remainder of the day with marked units, as well as unmarked units," said Somerville Police Captain James Donovan.
"He has no regard to human life," Somerville Mayor Joseph Curtatone said of the suspect. "He's dangerous, he fired shots at least in the air while people were occupying the bank, he fired at a Somerville Police officer ... we need people to be vigilant."
Donovan urged residents to call police immediately if they notice anything suspicious.
"Report anything that they see, you know doors ajar, windows ajar, anything they see in the neighborhood that is out of place, strangers in the neighborhood, or in the backyard," he said.
Anyone with information about the suspect is asked to contact Somerville Police. The department said anyone wishing to remain anonymous should send a text to 847411, beginning their message with 617spd.
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WBZ NewsRadio's James Rojas (@JamesRojasWBZ) reports