The state Department of Transportation I-95 north at Exit 5 in Greenwich has reopened following multivehicle crash.
The DOT and Greenwich police confirm the highway reopened around 10 a.m.
State police said troopers responded to an accident at 5:36 a.m. They said serious injuries had been reported and the department's Collision Analysis Reconstruction Squad was on scene.
It was not clear what caused the accident.