The FBI , while executing a search warrant at a residence believed to have been affiliated with Tsarnaev , took three people into custody for questioning Friday . Dzhokar Tsarnaev is `` intubated and sedated , '' an official says . The suspect is in `` not yet able to communicate , '' the governor says . -- A federal law enforcement source tells CNN that a second suspect, 19-year-old Chechen national Anzor Tsepkalo, has been arrested on charges of providing material support for terrorism. 57 people remain hospitalized , including three in critical condition .
Dzhokar Tsarnaev is `` intubated and sedated , '' an official says . The suspect is in `` not yet able to communicate , '' the governor says . -- A federal law enforcement source tells CNN that a second suspect, 19-year-old Chechen national Anzor Tsepkalo, has been arrested on charges of providing material support for terrorism. 57 people remain hospitalized , including three in critical condition .