The FBI released this image of the second Boston Marathon bombing suspect who is identified as 19-year-old Dzhokhar A. Tsarnaev. Photo: FBI.
WATERTOWN, Mass. -- The sound of gunfire has been reported in Watertown, Mass., where authorities have been searching for a suspect in the Boston Marathon bombings.
Television footage is showing emergency and military vehicles speeding through town Friday evening.
It wasn't immediately clear whether authorities had found 19-year-old college student Dzhokar Tsarnaev.
Authorities are telling residents of the area to stay indoors.