ORANGE COUNTY, Fla. – A homicide investigation is underway after a man and woman were found dead inside a vehicle Thursday morning in east Orange County, deputies said.

The Orange County Sheriff’s Office said deputies responded to East Colonial Drive near Shepard Road for a vehicle that struck a guardrail.

Deputies found the man and woman unresponsive in the car. The victims were later pronounced dead, sheriff’s officials said. Their names have not been released.

East Colonial Drive was closed in both directions from Chuluota Road to North County Road 13, but authorities reopened the road around 3 p.m.

Video from Sky 6 showed several bullet holes in the car, shell casings on the ground and evidence markers around the scene. Sheriff’s officials, however, have not released any information about a shooting related to the deaths of the man and woman.

No other details have been released.