The first reports of shots fired came across Twitter around 7 p.m.
Just heard a bunch of shots outside of my house #watertown #help
My dad is convinced that the suspect is in the Charles River right now. Okay dad lets go fishing.
Faaackinnnng helicopters againnnn
Gunfire in Watertown.
Video and audio of the first round of gunfire.
Watertown residents were obviously panicked, with authorities having lifted the Boston lockdown only an hour before.
Shit's going down cops racing by again ahhh channel 7! Guns fired etc, they better catch him this time. #Boston
Shots were fired in Watertown.
FUCK another bomb in my neighborhood?! dude im fuckin scared now .
Considering it was "safe" to go out last night, I'm think I'm gonna stay in my apartment tonight.
Watertown residents noticed that police presence remained strong in the town even after the lockdown had ended.
RT @adamwitwer: Here's the entrance to my bldg on Norfolk St, where I STILL cannot enter.
Very soon after, residents began reporting word that a body was found in a parked boat in a backyard.
Body found in a boat in someone's backyard on Franklin Street in Watertown #BostonManhunt
friend just walked to pick up someone and saw a dead body . are fuckin serious? dude ur dead man .
Image of backyard where UNIDENTIFIED body found in boat.
Ten minutes later, the first media reports of police pursuing a suspect hiding out in a boat in a backyard on Franklin Street in Watertown surfaced.
RT @passantino: Photo: Watertown home with boat where situation appears to be unfolding http://t.co/n1zrL8ci2t
Shots fired on a boat in Watertown.
RT @marcussolis7: Shots fired at Franklin Street in #Watertown #BreakingNews
Shots fired from Franklin St. area in Watertown. Live coverage via @CBSnews: http://t.co/iOPYXSQMkm
The saga continues @ Watertown High School (via @dakidPG
What was unclear as of 7:30 p.m. was whether or not the suspect being pursued by police, currently hiding in the boat, was alive or dead.
All the new activity is focused around a covered boat in a backyard in Watertown.
Suspect was found hiding under tarp in parked boat in Watertown, MA. (via @FoxNews)
RT @TomlinM: Shots fired scene centered on Franklin Street in Watertown.
There were, however, numerous reports of a S.W.A.T. robot on-site.
omfg RT ‏@susantran #SWAT robot has been brought in. #7News http://t.co/ZhM0QWrdHi
At #watertown shooting scene..over 20 shots fired..ran for cover..behind police #fox25 #bostonbombing
BREAKING PHOTO: Cops using concrete wall for cover; SWAT robot brought in, as well as the K-9's - @tonytullnbcdc
Things tense. SWAT calling people off. Possible car battery charger cable visible in house window n
Adding to the confusion, NBC's Pete Williams reported there was a "body found on the boat," but did not specify the status of the suspect.
.@PeteWilliamsNBC: "body found on boat"
@laurakrantzmwdn: View on walnut st in #watertown after multiple shots fired on Franklin st
As for how the police tracked the suspect to the backyard, NBC reported that Watertown residents noticed suspicious behavior and called authorities.
NBC just said a neighbor saw a ladder on the boat that hadn't been there before and called police. GOOD SLEUTHIN' WATERTOWN!!!!!!!
Eyewitness: Neighbor went to check boat behind his house today, saw blood, climbed up ladder to open boat's cover, saw a body, called police
Unconfirmed reports movement in backyard possibly in boat parked there - Franklin St Watertown after gunfire here
Saw two families evacuated..running with State Police. Children in arms of police, younger adults sprinting. They're safe. #fox25 #watertown
Movement in the boat. Hearing movement in boat from adjacent officer's radio. #fox25 #watertown
By 7:45 p.m. multiple sources began reporting that the body inside the boat was the Boston bombing suspect and that he was moving.
WCVB: Multiple sources: This is the suspect. He is moving.
200 Meter vom Ort, an dem sich Killer verschanzt hat; Hunde bellen in der Nachbarschaft, Menschen warten gebannt.
Media quickly descended on Franklin Street as word spread of the police facing off against the suspect hiding in the boat.
Bewohner warten bange auf die Erstürmung des Killer-Versteck. Bewohnerin Buka: "ich hoffe, dass es wirklich er ist"
As the standoff wore on, gunfire became more and more sporadic.
Total of 12 shots in most recent moments. Haven't heard any for ~30 seconds now.
More shots fired at Franklin Street scene in Watertown.
Two more gunshots.
Shot fired near scene.
The Google Maps shot of the residence that ran on NBC.
"If they're assaulting that boat, this should be over shortly." -@PeteWilliamsNBC
BREAKING NEWS: Police are still concerned that the suspect may be wearing a suicide bomb vest, the source tells the Globe.
Terrible pic but here's law enforcement and firefighters huddled up across the street
Neighbor of boat owner on @WCVB: "That boat is his baby. He's going to be heartbroken."
NBC's Pete Williams reported as of 8:15 p.m. that a fire started inside the boat.
"We're told that there is a fire now in the boat." -@PeteWilliamsNBC
And there were reportedly 40 gallons of gas inside the boat.
Boat owner says there is 40 gallons of gas in the boat. Watertown Fire Dept now on scene. (@ProvFireVideos)
An Instagram taken from where a crowd is formed on Mt. Auburn Street.
Numerous firefighters were on the scene throughout the standoff as concerns about a fire inside the boat spread.
PIC: Massive crowd gathered at Mt. Auburn St in #Watertown, waiting for word on suspect #WCVB
Another Instagram from the crowd on Mt. Auburn Street.
More media arriving. Police keeping us back. Scene not visible from location. #fox25 #bostonbombing #watertown
A negotiator arrived on the scene and was present throughout the standoff.
Negotiator has arrived on the scene in #Watertown, Mass., officials tell NBC News
RT @NBCNews A negotiator is on the scene where bombing suspect is surrounded. #manhunt MORE:http://t.co/zxDjHbAV9V
Mass. State Police want to take the suspect alive. (@7News)
Ambulance standing by at #watertown #bostonbombing #standoff. #fox25
Camera crews assmbled on both Mt. Auburn Street and Arsenal Street, both of which are main roads near the boat.
By 8:45 p.m., cheering was heard from the crowds surrounding the area and NBC reported they believed the suspect was in custody.
Lot of cheers breaking out, started by the officers
Alive. In custody. Asking for medic. -- via NBC
Hearing cheers from up on Mt Auburn st., cheers erupting. He's in custody.
Applause from crowd in Watertown.
Clapping coming from police. #fox25 #watertown #bostonbombing Good sign???
Footage of the police cheering.
More applause as first responders leave.
The Boston Globe and Boston Police Department reported minutes later that the suspect was alive and in police custody, with an ambulance headed to the scene.
Dzhokhar Tsarnaev IN CUSTODY!
Suspect in custody. Officers sweeping the area. Stand by for further info.
"We got him" #oneboston
On the radio. "Your mayor is very proud of you"
And finally, around 9:20 p.m., the F.B.I. confirms he's in custody.
Dzhokar Tsarnaev, age 19, suspect in Boston bombing investigation, is now in custody. #FBI #BostonMarathon http://t.co/ABK1cQU7HR
