A 13-year-old boy was flown to a Boston hospital after he was found unresponsive in a swimming pool at a home in Beverly on Wednesday afternoon, police said.

Police and firefighters were called to a home on Parramatta Road after bystanders pulled the boy from the pool, the Beverly Police Department wrote in a press release.

Bystanders administered CPR until first responders arrived, according to police. First responders continued CPR and other “life saving measures,” police said.

An ambulance took the boy to Beverly Hospital where he was stabilized. He was then taken by medical helicopter to a Boston hospital, police said.

The incident is currently being investigated by Beverly police, the department said.