BOSTON (CBSBoston) – A massive manhunt was underway Friday morning for the second of two Boston Marathon bombing suspects following a chaotic scene that began Thursday night. He was later apprehended and taken for medical care after a standoff behind a home in Watertown. Here is a timeline of events that began with the two bombing suspects robbing a convenience store in Cambridge:

Thursday 5:10 p.m. – investigators of the bombings release photographs and video of two suspects. They ask for the public’s help in identifying the men.

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Shortly before 10:20 p.m. -A 7-11 in Cambridge is robbed by the men believed to be the Boston Marathon bombing suspects.

10:20 p.m. – An MIT police officer was shot and killed responding to a report of disturbance in the area of Vassar and Main streets in Cambridge.

Approximately 11:30 p.m. – An armed carjacking took place in the area of Third Street in Cambridge. The victim was held in the Mercedes SUV for approximately a half hour.

Friday, approximately 12 a.m. – The carjacking victim was released at a gas station on Memorial Drive in Cambridge. He was not injured. Police immediately began searching for the vehicle involved.

1 a.m. – Officers from several agencies were involved in a pursuit into Watertown. Gunshots and explosions were heard in the area of Dexter and Laurel streets in Watertown. Explosive devices were reportedly thrown from car by the suspects. The suspects and police also exchanged gunfire in the area of Dexter and Laurel streets. An MBTA police officer was shot and seriously injured during the pursuit. One of two Boston Marathon bombing suspects was injured and captured.

1 a.m. – Police agencies descended on Watertown. A manhunt was underway for the second suspect, who managed to escape on foot. A 20-block area was surrounded by police.

1:35 a.m. – The injured Boston Marathon Bombing suspect died at the hospital.

2 a.m. – The FBI released new photos of the suspect who remained on the run.

4:20 a.m. – — Massachusetts state and Boston police hold a short outdoor news briefing. They tell people living in that section of eastern Watertown to stay in their homes. They identify the carjackers as the same men suspected in the marathon bombings. Overnight, police also release a photograph of a man believed to be Suspect No. 2, apparently taken from store video earlier in the evening at a 7-Eleven convenience store in Cambridge. He is wearing a grey hoodie-style sweatshirt.

5:45 a.m. – All MBTA service was suspended indefinitely. Massachusetts State Police told residents in Watertown, Newton, Allston/Brighton, Waltham, Cambridge, and Belmont to stay home until further notice. No traffic was being allowed to leave Watertown.

Around 5:50 a.m. – Authorities urge residents in Watertown, Newton, Waltham, Belmont, Cambridge, Arlington and the Allston-Brighton neighborhoods of Boston to stay indoors. All mass transit is shut down.

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6:38 a.m. – The Associated Press reported that AP the Boston Marathon bombings suspects are from a region in Russia near Chechnya, and have lived in the US at least one year.

6:45 a.m. – The Associated Press identified the surviving Boston Marathon bombing suspect as Dzhokhar A. Tsarnaev, 19, of Cambridge, Mass.

6:55 a.m. – CBS reports that the two Boston Marathon bombing suspects were brothers.

Around 8 a.m. – Boston’s police commissioner says all of Boston must stay in their homes as the search for the surviving suspect in the marathon bombings continues.

Around 8:40 a.m. – a U.S. law enforcement official and the uncle of the suspects confirm that the name of the slain suspect is Tamerlan Tsarnaev, Dzhokhar Tsarnaev’s older brother.

Approximately 8:45 a.m.: Law enforcement officials converge on a house in Watertown. Media crews report hearing police on loudspeakers urge someone inside to come out.

Approximately 9:45 a.m.: President Obama, Vice President Joe Biden and the national security team hold a White House Situation Room briefing on the investigation and events in Boston and Watertown.

Approximately 10:45 a.m.: Boston police tweet that they have located a 1999 gray Honda CRV that has been linked to the investigation: “Car being processed for evidence by authorities.”

Around 12:35 p.m., state police in Watertown say officers are searching door-to-door but still have not found the bombing suspect.

Around 6:30 p.m., Massachusetts Gov. Patrick Deval announces that mass transit is resuming and the “stay indoors” order is being lifted even though one suspect remains on the lam. State police say that suspect, Dzhokhar Tsarnaev, fled on foot and there is indication he has a vehicle. They believe he is still in the state because of his ties to the area.

Around the time the order is lifted, a flurry of gunfire breaks out in the same community that was being searched. Law enforcement officials locate Dzhokhar Tsarnaev in a boat parked behind a home.

Dzhokhar Tsarnaev is taken into custody by police at approximately 8:45 p.m. Spontaneous applause breaks out among police and onlookers surrounding the scene and residents take to the streets to cheer police.

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