Three more arrests have been made after a teen was stabbed to death in a city estate.

It follows the discovery of the body of a 19-year-old man in a ground-floor flat in Lefroy Road, on the Mile Cross estate, at around 10.40pm on Saturday.

Officers say the body of the victim, who died from a single stab wound to the chest, lay undiscovered for eight days.

Police forensics at the scene in Mile CrossPolice forensics at the scene in Mile Cross (Image: Sonya Duncan) They believe the murder was drug-related.

Two men were arrested overnight in Norwich and London, a man in his 20s on suspicion of murder and supplying controlled drugs and another in his late teens on suspicion of conspiracy to murder.

One more man in his 50s was arrested on on suspicion of conspiracy to murder in Norwich this morning (September 26).

PPE-clad units were seen searching through the block's waste binsPPE-clad units were seen searching through the block's waste bins (Image: Newsquest) This follows two previous arrests yesterday.

The pair - a man and a woman both in their 50s - were also arrested in the Norwich area on suspicion of conspiracy to murder.

All five suspects are being questioned at police stations.