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Triple-stabbing suspect arrested near set of Sandra Bullock movie

Actress Sandra Bullock arrives at the 83rd Annual Academy Awards on Feb. 27, 2011, in Hollywood, Calif. Ethan Miller/Getty Images

(CBS/AP) BOSTON - A security detail officer on the set of Sandra Bullock's new movie helped in the arrest of a suspect in a triple stabbing that took place just a block from the movie set in Roxbury on Tuesday.

Police said the male suspect stabbed three males before 2 p.m. One of the victims died, while two others suffered non-life threatening injuries.

Pictures: Sandra Bullock

This was the second incident this week on the set of the movie "The Heat." Police still are investigating a crash Monday between an MBTA bus and a movie production vehicle that left 15 people hurt.

According to CBS station WBZ, the stabbing stemmed from an argument Tuesday outside the Social Security office at Dudley Street and Washington Street. The officer was working a detail on the set the movie at Shawmut Avenue and Washington Street.

The suspect remains in custody. The victims are believed to range in age from 17 to 21 Police are investigating the relationships among the four men.

Meanwhile, MBTA spokesman Joe Pesaturo says 14 passengers and the driver reported back and neck pain and were transported to area hospitals. None of the injuries was life-threatening.

It happened about 9:40 a.m. Monday at Warren Street and Harrison Avenue outside Roxbury District Court.

Pesaturo says it appears as if the bus struck the back of the truck, on the scene of the movie.

"The Heat," which also stars Melissa McCarthy, is a comedy about the efforts of the FBI and the Boston police to bring down a Russian mobster. Paul Feig directs.

The WBZ report on the stabbings appears below.