Seattle-Tacoma airport officials: 'Vehicle accident' sends three people to hospital

Three people were sent to area hospitals after a car crash at Seattle-Tacoma International Airport on Wednesday.

The Seattle-Tacoma International Airport Twitter account confirmed the incident happened on Wednesday afternoon.

According to the airport, the upper departures drive was temporarily closed.

Authorities said the incident "appears to be an unintentional act."

The Port of Seattle Police Department and Fire Department responded to the incident.

This is a developing story.