Photos: Urban Shield Prepares City Officials for Terrorist Attacks

Officials targeted The Boston Copley Marriott Place as the site of for a large-scale training exercise designed to simulate a major terrorist attack.

On Friday, Boston officials started hosting Urban Shield: Boston, the 24-hour large scale crisis management competitive training exercise that began in South Boston at the Marine Industrial Park. More crisis-type events began Saturday morning at 8 a.m.

Teams from the City of Boston, Metro-Boston Homeland Security Region, the Commonwealth of Massachusetts, Providence, Rhode Island and Almeda County in California, all participated. "The competition will assess each team’s ability to successfully respond to and manage multiple terrorist events and other emergencies occurring simultaneously throughout the Boston area," said a press release for the City.

Sites holding staged events include Fore River Shipyard in Quincy, during which officials dealt with a structural collapse and rescue. The Urban Search and Rescue (USAR) team was there to respond; 

At the Winthrop Public Landing a SWAT team responded to a "maritime interdiction with hostages."

At the New England Produce Center in Chelsea, bomb squads and K-9 teasdms responded to "explosive devices found inside a motor vehicle."

At Boston's Marine Industrial Park around 5 p.m., there was a "large-scale event similar to terrorist attacks in Mumbai." SWAT, USAR, EMS and bomb squads responded to this situation.