BROOKLYN - Police say they have killed a man they believe was responsible for the shooting of five people, including two from Brooklyn on Saturday in Pennsylvania.

Officials identified the suspect as 51-year-old Richard Guyzenhiner.

The shootings occurred in Gilbertsville, which is near Philadelphia, and left two people dead, including a 2-year-old boy.

Neighbors say 64-year-old Paul Shay, of Manhattan, owns a plumbing business in Williamsburg. His wife, Monica Shay, is reportedly an associate professor at the Pratt Institute. Both survived the shootings.

Their nephew, 43-year-old Joseph Shay, was killed in the massacre, as was his girlfriend's 2-year-old son.