The Metropolitan Police have confirmed that a man was arrested after special rounds were shot to stop a car on the A27 this afternoon.
Armed Metropolitan police officers have fired "Hatton Rounds" - a type of shotgun blast - to stop a car on the A27 in Lewes. No-one was injured. There are long delays on the roads in the area. The police say no more details can be given at the moment.
Hundreds of fireworks are being set off across the country this evening as Britain celebrates Bonfire Night.
In Lewes in East Sussex up to 80,000 are expected to attend this evening's festivities.
Six bonfire societies in the town compete to have the best costumes, displays and models.
The tradition started because local people wanted to commemorate protestant martyrs who were burned at the stake in Lewes, as well as Guy Fawkes.
You can find out more about the Lewes Bonfire Celebrations on ITV Meridian.