A person is removed from the vehicle
Fire crews were called to the scene after reports of an accident involving a car and a trailer.
Two teams were dispatched to the scene and found a person who had withdrawn from one of the vehicles.
A spokeswoman for the fire and rescue service in South Wales said:
On Friday, September 13, 2019, at approximately 2:24 pm, we received reports of a car and trailer accident on the M4 eastbound between J37 Pyle and J36 Sarn. near Bridgend.
The Kenfig Hill and Bridgend teams were dispatched to the scene. Before their arrival, a person was self-extirpated.
A stop message was received at 15:00.