Police are closing in on 19-year-old Boston bombing suspect Dzhokhar A. Tsarnaev, who has been on the run since his older brother Tamerlan was killed in a shootout earlier today. The capture, arrest, or death of the second bombing suspect may be imminent as a lot of sudden activity is being reported on Franklin St. in Watertown, Mass.

As of 7 p.m. ET, CNN is reporting that gunshots were heard in the town of Watertown and that the suspect is cornered in a residence in the town.

Tens of police cars were seen rushing into the area, along with military style vehicles speeding into the area. Police are reportedly closing in on houses on Franklin Street. The street has been circled and it is believed that one of the biggest manhunts in American history may finally come to a culmination tonight.

A tear gas has been used by police to apprehend the suspect. CNN reports that police are trying to stun the individual with explosives.

An ambulance has been seen at the scene.

Dozens of gunshots believed to be from machnie guns were heard just before the sudden rush of vehicles swarmed near the residence.

According to DailyMail, the suspect is hiding in a boat outside the Boston home.

The city of Boston has been on lockdown Friday and the streets resembled that of a ghost town as the suspect is believed to be extremely dangerous and possibly armed with a suicide bomb or other explosives.

Public schools are closed, mass transit shut down and no cars on the road.

Dzhokhar and his brother are suspected of planting two bombs at the Boston Marathon on Monday, which detonated and killed three people while injured over 140 others. Tsarnaev's brother Tamerlan was killed Thursday night during a shootout with police.

The suspects killed police officer Sean Collier at the MIT campus last night.

The shooting reportedly took place at 10:48 PM Thursday night. Shots were reportedly fired near Building 32 on the campus of the Massachusetts Institute of Technology in Cambridge, Massachusetts.

The FBI released pictures of the two suspects in the Boston Marathon Bombing and a surveillance video on Thursday and within 24 hours the suspects have been identified, with one being killed.

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