The sound of gunfire has been reported in Watertown, Massachusetts, 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.
The police operation is focused on a property at 67 Frankin St, local news channel WCVB reported.
The scene pic.twitter.com/p3l9t5tcw9— Erin Ailworth (@ailworth) April 19, 2013
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.
Heavy police presence in area of Franklin St in Watertown. Residents remain inside.— Boston Police Dept. (@bostonpolice) April 19, 2013
Reports that the suspect has been surrounded have not been confirmed by officials at this point.
BREAKING NEWS: Residents describe pandemonium on Franklin Street in Watertown; source says suspect pinned down.— The Boston Globe (@BostonGlobe) April 19, 2013
Marathon bombings suspect believed to be inside boat in back yard of Watertown home. The boat was surrounded by police.— The Boston Globe (@BostonGlobe) April 19, 2013
No confirmation yet if it was the suspect linked to marathon bombings. Shots fired. Scene calm now. Area secure. No stretchers.— Sean Kelly (@SeanKellyTV) April 19, 2013
BREAKING NEWS: Police have taken the cover off the boat containing the man believed to be the Marathon bombing suspect. He's not moving.— The Boston Globe (@BostonGlobe) April 19, 2013
BREAKING NEWS: Police believe bombing suspect still alive on boat; have seen him moving from State Police helicopter.— The Boston Globe (@BostonGlobe) April 19, 2013
BREAKING NEWS: Police are using 'flash bangs' to disorient and distract the suspect. They have seen him sit up.— The Boston Globe (@BostonGlobe) April 19, 2013
BREAKING NEWS: Police are still concerned that the suspect may be wearing a suicide bomb vest, the source tells the Globe.— The Boston Globe (@BostonGlobe) April 19, 2013