Boston bomb suspect cannot speak as doctors treat throat wounds

DZHOKHAR Tsarnaev, the Boston bombing suspect, remains unable to speak as he undergoes treatment for a gunshot wound to the throat in hospital, officials have said as inquiries focus on what turned two young men into Islamic terrorists.

The 19-year-old is "serious but stable. I think not able to communicate yet," Deval Patrick, the Massachusetts governor said after attending a tribute to the victims of Monday's bomb attacks that left three dead and about 180 injured.