Police are investigating after a car in East Hartford drove into the Connecticut River on Sunday.
When police arrived to the Connecticut River boat launch, no one was in the vehicle and no one was in danger.
Police said medical units were called to the scene.
It is unclear if more than one party was involved, according to police.
Police have not yet determined if this was a medical situation or if there was a malicious intent.
The cause of the incident is unknown at this time.