Advertisement Just a drill: Fenway hosting counterterrorism exercise Explosions, gunfire may be heard around Fenway Park Share Shares Copy Link Copy

People in the vicinity of Fenway Park Sunday shouldn't be alarmed if they hear explosions and gunfire coming from the home of the Red Sox.Watch the reportThe ballpark will be the site of a multi-agency counterterrorism exercise.The exercise is being conducted by the Boston Police Department, the Department of Homeland Security and the Army's Armament Research, Development and Engineering Center.Police, state and federal first responders and Red Sox security personnel will react to simulated scenarios meant to test preparedness and new technologies for large events.People are asked to avoid the area. Simulated explosions and realistic-sounding simulated gunshots may be heard in the areaParts of Yawkey Way and Van Ness Street will be closed off during the exercise, which will run from 7 a.m. until 1 p.m.