The fight started after someone let about 13 boys inside the back door of the YMCA, and then they gathered in the gym before assaulting a 16-year-old boy. The victim told police the people who attacked him were students at Edina High School, and identified one of the people involved.

While in the back of the ambulance ... the victim’s mental state was declining by the reptitiveness of his statements and lack of memories,” a court filing read.

The bloodied teen victim was located by officers when they arrived and told police the accused attackers were all students at Edina High School.

The family of the Edina High School student who was attacked at the YMCA last week says they’re “broken” over the assault that left him with a concussion and multiple bruises.