Connecticut State Police are investigating multiple crashes on Interstate 95 south in Westport, including one that left one person with serious injuries early Sunday morning.
According to firefighters, the first crash happened at 3:04 a.m. on I-95 south between exits 18 and 17.
Crews reported one vehicle on its roof with one person still inside.
Firefighters said they stabilized the vehicle and removed the person inside. The person was transferred to Westport EMS.
About 40 minutes later, police said there was another crash on the highway, just north of exit 17.
Firefighters reported one vehicle on its side with heavy damage.
Three people were in the vehicle and were transported to local hospitals. Police said two were transported for precautionary reasons and the third person had serious injuries.
The highway was closed between exits 18 and 17 while the Collision Analysis Reconstruction Squad processed and documented the scene with help from the Connecticut Department of Transportation.
There was some congestion in the area while DOT crews repaired the guardrail.