SP: We don't have direct knowledge that he is still in the Boston area, but his ties are here.
NBC News is reporting that there was a small fire in the boat the bombing suspect is hiding in and that the suspect is bleeding heavily.
Police still are treating the scene cautiously.
Police arrested three college-age suspects in New Bedford related to the bombing investigation, according to the Globe.
A long line of local, state, and FBI vehicles are leaving the scene amidst a throng of cheering, waving residents. The cops respond by flashing their blue lights and popping their sirens.
Shelley Murphy of the Globe reports that the suspect is being taken to Beth Israel Hospital in Boston, which has a Level 1 trauma unit -- an indication that he may have lost a lot of blood or is badly injured.
There were gasps, then a small ripple of applause, as word of the capture of the second Boston Marathon suspect spread among passengers waiting at the airport in Tampa, Fla., for a JetBlue flight to Boston, according to Eric Bauer of the Boston.com staff. Passengers had been closely following the manhunt, checking their phones, sharing laptops, and talking with friends and relatives at home as they watched police close in on 19-year-old Dzhokhar Tsarnaev.
"Thank God we got him." - Boston Mayor Tom Menino
State Police at press conference; We are so grateful to be here right now. For the victims, for police officer who lost his life, another who almost did; for the people in this neighborhood. we are exhausted, but we have a victory here tonightl.
Gov.: On behalf of the victims who died, the hundreds who were hurt, I want to say how grateful I am to all of law enforcement who worked so hard together - together - to come to this resolution.
Gov: Because of all these professionals who brought their A game, we have a suspect in custody tonight.
Boston Athletic Association expresses thanks to law enforcement community via its Boston Marathon Facebook page:
The B.A.A. joins all citizens of the Commonwealth of Massachusetts in thanking the federal, state and city law enforcement community for the resolution of today's manhunt. BOSTON Stands As One!
At this time, we remember Martin Richard, 8; Krystle Campbell, 29; Lingzi Lu, 23; and Officer Sean Collier, 26. We also remember all of those injured on Monday, and their families.
President Obama: We owe a debt of gratitude to all our law enforcement officials.
Obama: We send our condolences ot the Collier family, who lost their son Sean, police officer at MIT.
Obama: Whatever hateful agenda drove these men to these hateful acts cannot prevail. They failed because of the people of Boston. We will not break the bonds that hold us together as Americans.
Obama: Our nation, and the city of Boston, welcomes people from all over the world. So as we continue to learn more about how and why this tragedy happened, let's maintain this spirit.
Obama: Don't forget the tight-knit community in West, Texas that also experienced a terrible tragedy. They will have the resources they need to recover.
Obama: we have the strength and resiliency to overcome these challenges and move forward - one nation under God, indivisible, with liberty and justice for all.