Somerville Mayor Joseph A. Curtatone said Sunday he was “shocked, horrified, and saddened,” upon learning last Tuesday that three Somerville High School students allegedly sexually assaulted underclassman members of the school’s junior varsity boys’ soccer team — an attack Curtatone said occurred just “yards, if not feet away” from adult coaches at a school-organized retreat he attended.
Curtatone acknowledged many questions remain about how the incident occurred and promised a thorough investigation.
“We’re all shaking our heads,” he said. “We’re asking ourselves, how did this happen? What broke down? What should have been done?” Full story for BostonGlobe.com subscribers.