( CNN ) -- Three members of a suburban Boston junior varsity boys ' soccer team were arrested Friday in connection with an alleged sexual assault at a sports camp , according to authorities . The assaults occurred last Sunday at Camp Lenox near Otis , a town in western Massachusetts , according to the Berkshire District Attorney 's Office . The city of Somerville , just northwest of Boston , rented the facility for team-building activities for its fall sports teams . According to prosecutors , the three Somerville High School students allegedly entered a cabin occupied by freshman students and assaulted three victims . The eldest of the three juniors , a 17-year-old male , faces charges that include aggravated rape of a child under 16 , indecent assault and battery on a person who has turned 14 , assault and battery and intimidation of a witness . The two other male athletes , both 16 , face similar allegations , prosecutors said in a statement . The allegations were reported to members of the Somerville High School athletic department on Tuesday . A criminal investigation began immediately , officials said . In a joint statement , Somerville 's mayor and schools superintendent said , `` We are disturbed and appalled that these crimes may have taken place and our thoughts and concerns are with the victims and their families . '' Mayor Joseph A. Curtatone and Superintendent Tony Pierantozzi said the district attorney 's office has given no indication that any other students were implicated . The alleged assaults appear to be a `` single , isolated incident . '' Support services are available to help victims , parents and team members who attended the camp .
Three freshmen allegedly participated at sports camp . Authorities arrested three JV football players from suburban Chicago . They face aggravated rape and other charges .