Thetford Police have arrested two people after officers stopped a rave being set up.
Officers stopped a convoy of vehicles on the A11 near Larling on May 11 at around 11.50pm.
They found sound equipment in the vehicles which was seized.
A 35-year-old man from Bury St Edmunds, who was driving the lead vehicle, was arrested on suspicion of possession of cannabis and later received a caution.
A 16-year-old girl was also arrested on suspicion of possession of cannabis and was bailed.
Two other men were issued with cannabis street warnings.