Whitelands Way near Gallows Corner has been closed due to a “police incident”.
Officers were called to Tesco to reports of a number of travellers gaining access to the car park on Bryant Avenue.
Early this morning a man called officers saying he’d been threatened with a firearm at the same location.
A cordon remains in place and the store remains closed.
Bus routes 499 and 656 are being cut short and will terminate at Gallows Corner.
Tags: Romford, Havering, Harold Wood, Gallows Corner