ANDOVER (CBS) – Several members of Andover High School’s boys’ basketball team are now at the center of a grand jury investigation.

According to WBZ-TV sources, the Bristol County District Attorney’s Office has convened a grand jury to investigate an alleged hazing incident.

The students are accused of forcing underclassmen to play a humiliating sex game.

Sources tell WBZ-TV that subpoenas have been sent to school officials.