An interfaith service has begun for victims of the Boston Marathon bombing. President Barack Obama is due to give an address at the Cathedral of the Holy Cross in Boston's South End, about a mile from the bombing site.
New photos of the suspects identified by officials as Dzhokar A. Tsarnaev, 19 and Tamerlan Tsarnaev, 26 have been released.
The FBI has released pictures and video of two suspects in the Boston Marathon bombing, seeking the public's help.
President Obama attended a memorial service in Boston today, paying tribute to the victims of Monday's terrorist attack.