A man and a woman were arrested in connection with drug offences after a vehicle was stopped in the Thetford area last night.
Officers stopped a black Vauxhall Astra on the A11 at the roundabout with the A134 and B1107 at around 5.15pm.
A man and woman from London, both aged in their 20s, were arrested on suspicion of possession with intent to supply a Class A drug and were taken to the Bury St Edmunds Police Investigation Centre.
Both remain in police custody and will be questioned by officers later today.