Ten people were hospitalized in a carbon monoxide poisoning incident at a multi-family home in Brentwood, officials on Long Island said.

Seven people were hospitalized Thursday morning for possible carbon monoxide poisoning at a Brentwood home, Suffolk County police said. Around 7:05 a.m., officers and the Brentwood Fire Department responded to a 911 call and found high levels of carbon monoxide in a multifamily residence on American Boulevard.

Firefighters found high levels of carbon monoxide inside the home.