A car rolled over into a pond in Willington, police confirmed.
Joseph Young, 40 , of Wallingford, was driving northbound on Daleville Road in Willington when he lost control of his 2008 Audi, hit a wooden guardrail off the right side of the roadway and flipped over into an adjacent body of water, state police said. His car landed with its roof submerged underwater.
Young got out of the car and found help, but his passenger was unresponsive and state police pulled the individual from the car after responding at about 7:45 p.m. to the area of 31 Daleville Road, about 25 minutes after the 911 call.
Young, who was on the roadway when police arrived, suffered minor injuries and was taken to Rockville General Hospital.
The passenger, who was seriously injured and hasn't been identified, was transported to Hartford Hospital.
Their conditions are uknown.
The fire department did a secondary search of the car to ensure no other people were inside.
The crash remains under investigation.