4 hospitalized with carbon monoxide poisoning in Lower Southampton Township, Pa.

LOWER SOUTHAMPTON TWP., Pa. (WPVI) -- Four people were rushed to the hospital Thursday night after suffering carbon monoxide poisoning at a home in Lower Southampton Township, Bucks County.

Officers responded to a residence on the 300 block of Philmont Avenue around 8:11 p.m. in the Feasterville section of the township.

According to police, four victims were found suffering from carbon monoxide exposure. Some were transported by ambulance, while others were flown to hospitals by medical helicopter.

Authorities said all four victims were transported in serious condition.

Several pets were also affected by the incident.

Emergency crews remained at the scene as investigators worked to determine the source of the carbon monoxide.

Police have not released additional information about the victims or the circumstances leading up to the incident.