A private jet carrying eight people crashed on takeoff from Bangor, Maine, Sunday evening, according to the FAA.

Axar.az informs the extent of their injuries is not known, a source briefed on the incident told CNN.

The plane is a Bombardier Challenger 650 business jet.

The airport told CNN in a statement emergency crews responded to an incident around 7:45 p.m. ET.

“First responders are still on the scene and are expected to be actively working the site for several more hours before any additional information is available,” the City of Bangor and Bangor International Airport said in a statement Sunday, adding that an emergency operation center has been established.

The airport remains closed overnight Sunday.

The FAA and NTSB will investigate the crash, according to a statement from the FAA.