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April 19th, 2013
04:56 PM ET
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Boston under siege as massive manhunt underway for Bombing suspect

Tamerlan Tsarnaev and Dzhokar Tsarnaev - are the two men law enforcement officials and the rest of the world have had their eyes focused on for the past 24 hours.

Suspects described as brothers from Russian Caucasus

According to the FBI, the Tsarnaev brothers were behind the Boston Marathon bombings that killed three people and injured more than 180 people.

CNN's Live Blog: Manhunt for Boston Bombing Suspect

Here's what we know:

  • Thursday evening - around 10 p.m., police received a report that a robbery was under way at a local 7-11 near the MIT campus in Cambridge
  • Residents were told to stay indoors and away from windows
  • 20 minutes after the convenience store robbery, an MIT police officer was fatally shot
  • According to police, the suspects hijacked a vehicle at gunpoint in Cambridge, telling the driver that they were the marathon bombers
  • Law enforcement were able to pursue the suspects through a residential neighborhood, with suspects throwing explosives at police
  • While under pursuit, one of the suspects, later identified as Tamerlan Tsarnaev, 26 - got out of the car. Police shot him, and his brother ran over him as he drove away, according to the law enforcement source.
  • Tamerlan Tsarnaev was critically injured and later died, while his brother, 19-year-old Dzhokar Tsarnaev escaped, according to law enforcement. 
  • Boston on lockdown - Watertown residents are being told to remain indoors as authorities continue their search

Erin Burnett is live in Boston with the latest in the massive manhunt for Boston bombing suspect, Dzhokar Tsarnaev at 7p and 11p ET on CNN.
Filed under: Boston Marathon Explosion • Breaking News • News