Boston bombing suspect tweeted since the Boston bombings

(CNN) -- Boston bombing suspect Dzhokar Tsarnaev has tweeted since the Boston Marathon bombings on what two friends of his tell CNN is his Twitter account.His tweets included one at 1:43 a.m. Wednesday that said, "I'm a stress free kind of guy."On Monday at 8:04 p.m. -- hours after the bombings -- he tweeted a quote from rapper Jay-Z, "Ain't no love in the heart of the city, stay safe people."On Tuesday shortly after midnight he tweeted, "There are people that know the truth but stay silent & there are people that speak the truth but we don't hear them cuz they're the minority."Tsarnaev does not describe himself in his Twitter profile, which reads only, "Salam aleikum."The most recent tweet is one he retweeted on Wednesday from Mufti Ismail Menk, who identifies himself as a Muslim scholar. "Attitude can take away your beauty no matter how good looking you are or it could enhance your beauty, making you adorable," the tweet reads.Another tweet from Tsarnaev on Tuesday was a quote from rapper Eminem: "Nowadays everybody wanna talk like they got somethin to say but nothin comes out when they move their lips; just a bunch of gibberish."After another Twitter account posted a photo Tuesday saying it showed a man who was going to propose to his girlfriend at the marathon in Boston and found her dead, Tsarnaev tweeted a two-word response: "fake story."Another of Tsarnaev's tweets from Tuesday reads, "So then I says to him, I says, relax bro my beard is not loaded." On Friday, another Twitter user retweeted that message, and added the words, "But my backpack is."

Boston hospitals largely shut down as manhunt goes on

(CNN) -- Friday is not a good day to get sick in Boston.The manhunt for the suspect in Monday's marathon bombings has led hospital officials to order widespread cuts in access and service throughout the city and its suburbs.Here is a partial list:Massachusetts General Hospital was on lockdown, with just one entrance open, said Kory Zhao with the press office.

U.S. intelligence agencies reviewing data on bombing suspects

(CNN) -- U.S. intelligence and law enforcement agencies are again reviewing all intelligence on the two suspects in the Boston bombing for clues about their motivations and connections to possible terrorist groups, U.S. officials tell CNN.In the hours since their identities were confirmed by the FBI, "there is a very methodical and in-depth analysis underway on these suspects and the connections they may have had to any overseas group," a senior U.S. official told CNN.Until Thursday, the Obama administration had not come up with any specific intelligence, including intercepts or online messages, indicating a threat to the Boston Marathon, according to officials CNN had spoken with previously.

Timeline: How the chase of bombing suspects developed

(CNN) -- Developments in the Boston Marathon bombings investigation have come quickly since the release of the photos of the suspects:Thursday5 p.m. -- The FBI releases pictures of two male suspects they are seeking in connection with the Boston Marathon bombings.Late Thursday -- A robbery is reported at a 7/11 convenience store, not long after the FBI released images of the suspects.11 p.m. -- Police respond to a call on the campus of the Massachusetts Institute of Technology, where university police officer Sean Collier was shot.

Troubled North Caucasus region still scene of conflict

(CNN) -- Conflict has racked the North Caucasus region for almost two decades.The troubled region includes the breakaway Russian republic of Chechnya, as well as Dagestan, Ingushetia, Kabardino-Balkaria and North Ossetia.Chechen rebels started out fighting for independence from Moscow in the 1990s, but in recent years, the violence has been aimed more at imposing Islamist rule and asserting their authority in the area.The Chechen population of about 1 million is mostly made up of Sunni Muslims, who maintain a distinctly different cultural and linguistic identity from Russian Orthodox Christians.The standard of living in the southwestern republic in the Caucasus Mountains is poor, compared with the rest of Russia.

College police officer shot dead on MIT campus

(CNN) -- Violent incidents early Friday, including the shooting death of a college police officer, kept Bostonians on edge just days after the bombing of the iconic Boston Marathon.Howling sirens pierced the night quiet, and flashing lights lit up the darkness, as dozens of officers from state and city police responded to the deadly shooting on the campus of the Massachusetts Institute of Technology in Cambridge.

Violence haunts Boston area in wake of Marathon terror

(CNN) -- Violent incidents early Friday, including the shooting death of a college police officer, kept Bostonians on edge just days after the bombing of the iconic Boston Marathon.Howling sirens pierced the night quiet, and flashing lights lit up the darkness, as dozens of officers from state and city police responded to the deadly shooting on the campus of the Massachusetts Institute of Technology in Cambridge.

FBI identifies two suspects in Boston Marathon bombings

(CNN) -- The FBI on Thursday released photos and video of two men it called suspects in the deadly bombings at the Boston Marathon and pleaded for public help in identifying them.The two men were photographed walking single file down Boylston Street near the finish line of Monday's marathon before the explosions that killed three people and wounded about 180.

Boston bombings, other incidents have us 'looking for a way out'

(CNN) -- The thought came to Don Walker during that most quintessential of American outings -- a baseball game.Caught in a crush of people on his way into Atlanta's Turner Field, he couldn't help but think about what had just happened in Boston -- sports fans crowded into a small space, a bomb tucked into a backpack, and then death.Not that it stopped the Morgantown, West Virginia, man from enjoying his Atlanta vacation."You just watch things more closely," he said.Americans are doing a lot of that these days, especially after Monday's attack on the Boston Marathon, where three people died and more than 180 were wounded when a pair of bombs exploded near the finish line:• A palpable sense of fear and confusion played out in the nation's capital, at a Senate office in Michigan and on television screens across the country as authorities scrambled to deal with a spate of suspicious package reports.

Obama's message in Boston: Defiance mixed with reassurance

(CNN) -- President Obama brought a mixture of reassurance and defiance to Boston on Thursday to help heal a city hit hard by terrorist bombs."Every one of us stands with you," the president said at an interfaith service inside the Cathedral of the Holy Cross. "Boston may be your hometown -- but we claim it, too. ...

VIDEO: Boston Bruins fans unite, sing national anthem

BOSTON (WITI) -- Hockey fans in Boston united on Thursday evening, April 17th -- to show their pride in their city and nation in the wake of the bombings at the Boston Marathon earlier in the week.It was the first hockey game for the Boston Bruins since the tragedy.

Source: Two men sought as possible suspects in Boston bombing

(CNN) -- Two men seen in images near the finish line of Monday's Boston Marathon -- moments before two bombs there exploded -- are of "high interest" and are considered "possible suspects," a law enforcement official said.A circular sent out Wednesday by authorities indicated the attached photos, showing the two men, were being sent around "in an attempt to identify the individuals."The official said the men were of interest because of where they were at a particular time and what they were carrying.