As Mayor Michael Bloomberg encouraged New York City residents not to let the events in Boston discourage them from enjoying themselves across the five boroughs, FBI officials released pictures and video Thursday afternoon of two suspects in the Boston Marathon bombings.
Bloomberg, on Thursday, said that New York City will learn from the Boston investigation as it continues to develop.
"We don't know what the result's going to be in Boston, but hopefully, they will find whoever did this, whoever took lives and maimed people, and bring them to justice, and that's what they have to do," Bloomberg said. "In the meantime, we will learn from what they do and what's happened there, and we will continue to keep you safe."
Bloomberg encouraged New Yorkers to take advantage of what the city has to offer.
"I will tell you that what you should do this weekend is go out and enjoy the things that are here in New York City, all the events that are taking place," he said. "Go out in the streets. Don't be afraid, because you are as safe today as you were before, and you will be in the future. That's the safest we can possibly make it. There's no guarantees, 100 percent, but this is the place you want to live. Ray Kelly and all of the different uniformed services all work together to keep everybody safe, and we will continue to do that and will continue to modify our strategies every day and have a level of security that we think is appropriate."
The FBI said at a news briefing Thursday afternoon that identifying two men in images and video they provided is their "highest priority."
One man, called "Suspect 1," is seen wearing a dark hat, dark coat and carrying a backpack.
The other man, "Suspect 2," is seen wearing a backwards white hat and a dark coat.
According to FBI officials, Suspect 2 was the only man seen planting a device at the bombing site.
"It was shortly before the bomb blast went off, within minutes," said said Richard DesLauriers, the FBI Special Agent in Charge of the case.
Federal officials said the images show Suspect 1 and Suspect 2 walking together on Boylston Street through the marathon crowd towards the finish line.
"It is extremely important to contact us with any information regarding the identities of Suspect 1 and Suspect 2 and their location. We consider them to be armed and extremely dangerous. No one should approach them. No one should attempt to apprehend them except law enforcement," DesLauriers said.
FBI officials stressed that the video and eight photos of the suspects on their website should be the only pictures people use to assist investigators.
The FBI said that the public should not expect any additional information on the investigation until the suspects are identified.
They also said that there is no immediate threat to the public.
Anyone with tips on the case should call 1-800-CALL-FBI (1-800-225-5324) or visit bostonmarathontips.fbi.gov.
U.S. Homeland Security Secretary Janet Napolitano said earlier Thursday while testifying before the House Homeland Security Committee that investigators are going through "tons and tons" of video, but noted they are still seeking more from people who were in or around the blast sites which killed three and wounded more than 170 others.
Authorities say pressure cookers packed with explosives and shrapnel were used in the bombings.
One man who said he volunteered at the Boston Marathon for more than two decades said he doesn't sleep much anymore after seeing the carnage.
"What they have, I hope they catch him, or her, or them, and soon," he said. "There were too many people affected by that."
Earlier Thursday, President Barack Obama joined more than 2,000 others at a prayer service in Boston .
The president and first lady attended the service, titled "Healing Our City", at the Cathedral of the Holy Cross.
Speaking at the podium, Obama told those gathered the city's "resolve is the greatest rebuke to whoever committed this heinous act."
The president went on to say authorities will not rest until those behind the attacks are brought to justice.
Obama also paid a visit to Massachusetts General Hospital, where he met with patients and hospital staff.
Anyone looking to help the victims of Monday's attacks can contribute money to a special account.
'One Fund Boston' is intended to be a "central fund to receive much needed financial support" for those families most affected.
There has already been a quick response. The Boston Mayor's office said more than $7 million was donated within the first 24 hours.
The trust will be run pro bono by Kenneth Feinberg, who managed the September 11th Victim Compensation Fund.
For more information, visit the fund's website at onefundboston.org.
FBI Officials Unveil Pictures Of Bombing Suspects
TWC News: FBI Releases Pictures Of Two Suspects In Boston Marathon Bombing
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FBI investigators in Boston revealed on Thursday evening surveillance video stills of the two men wanted in connection with the Boston Marathon bombings.