SAN FRANCISCO -- A shooting at an arena in Pawtucket, US Rhode Island, has left three people dead, including the suspect, and three others critically injured Monday afternoon, police said.

The gunman died from a self-inflicted gunshot wound after the attack.

Pawtucket Police Chief Tina Goncalves told a news conference that officers responded to reports of gunfire at the Dennis M. Lynch Arena, where a hockey event involving students from multiple schools was underway. The facility was crowded with students and parents at the time.

Preliminary findings indicate the shooter might have targeted members of his own family. One of those killed was a young girl. The three injured victims suffered gunshot wounds and remain in critical condition at a hospital.