Gunshots, police activity in Watertown, Mass.

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 ((JOH'-kahr tsahr-NY'-ev).
Authorities are telling residents of the area to stay indoors.