US alerted to bombing suspect's travel to Russia2013-04-25
An FBI-led Joint Terrorism Task Force in Boston was alerted when one of the two brothers who later allegedly carried out the Boston Marathon bombings traveled to Russia.

Obama convenes top-level security meeting on Boston bombing2013-04-21
U.S. President Barack Obama on Saturday convened a meeting of the National Security Council to review the events related to the Boston Marathon bombing and discuss the ongoing investigation of its causes.

Questions remain after detainment of Boston bombing suspect: Obama2013-04-20
U.S.President Barack Obama on Friday night lauded the law enforcement efforts in detaining a suspect of the Boston bombing, while noting that many questions remain to be answered.

FBI interviewed Boston bombing suspect2013-04-20
The FBI in 2011 interviewed the elder of the two brothers who are suspects in Monday's deadly Boston Marathon bombings, acting at the request of an unidentified foreign government, a US law enforcement source said on Friday.

Authorities said Boston bombing suspect in custody2013-04-20
Authorities said Friday night that they believe they have the Boston Marathon bombing suspect in custody, ending a nearly 20-hour manhunt.

Police continue massive manhunt for 2nd bombing suspect2013-04-20
As hundreds of heavily armed police continued their massive manhunt for Dzhokar Tsarnaev, the second suspect in Monday's bombing of the Boston Marathon , the Boston area was ordered shut down with all public transportation suspended.

Police spare no efforts in hunt for Boston bombing suspect2013-04-20
Police have"sealed"Boston and stand alert at key locations in the city as they spare no efforts to capture the remaining suspect in the Boston Marathon bombing.

Obama briefed on Boston bombing investigation2013-04-19
U.S.President Barack Obama was being briefed Friday morning with his national security team on the situation of Boston bombings investigation, a White House official said.

Boston bombing suspects not connected with Chechnya: official2013-04-19
Two brothers identified as suspects in the Boston Marathon bombing grew up in a Russian region near Chechnya but have had little to do with the area for years, says a spokesman for Chechnyan leader Ramzan Kadyrov.

Obama attends Boston service2013-04-19
US President Barack Obama landed in Boston on Thursday, on his way to a memorial service for victims of the Boston Marathon bombing amid a manhunt for two suspects seen on video taken before two blasts struck near the finish line on Monday.

Obama vows to bring to justice Boston bombings perpetrators2013-04-19
U.S.President Barack Obama vowed here on Thursday to find those behind Monday's Boston Marathon bombings and bring them to justice.

Kerry pledges U.S. aid to families of foreigners hit in Boston attack2013-04-18
U.S.Secretary of State John Kerry on Thursday denounced the Boston Marathon bombings and pledged assistance to the family members of the foreign nationals killed or injured in the attacks.

Tests show letter to Obama contains poison2013-04-18
The FBI confirmed on Wednesday a letter addressed to President Barack Obama has been preliminarily tested positive for ricin but the authorities have not found a link to Monday's Boston bombings.

Arrest made in Boston bombings case: media2013-04-18
Investigators have made an arrest in connection to Monday's Boston Marathon bombings, which killed three and injured over 170, U.S.media reported on Wednesday.