Four people including the shooter were killed and three Pennsylvania state troopers were wounded on Friday during a shooting in Frankstown Township, Pennsylvania, the Altoona Mirror reported, citing the county prosecutor.

The gunman, two other men and a woman were killed, the newspaper said, citing Blair County District Attorney Richard Consiglio. The troopers were wounded in a shootout with the suspect, the newspaper said.

The shooting took place one week after a gunman killed 20 school children and six adults at an elementary school in Newtown, Connecticut. Newtown held a moment of silence in remembrance on Friday, while the pro-gun lobby, the National Rifle Association, issued a statement in response to the Newtown shooting, urging armed guards at the nation's schools.