As two other crosstown rivals played a thrilling lacrosse game that went into overtime one night last week, some members of the Westhill High School boys’ varsity lacrosse team were in the stands hatching a plan.

All 11 students in New York turned themselves in to the Onondaga County Sheriff’s Office on April 30 after being given 48 hours to surrender.

Eleven lacrosse players at West Hill High School in Syracuse, N.Y., have been charged with unlawful imprisonment in the second degree — a misdemeanor — due to their alleged involvement in the extreme hazing of five younger teammates.