An unknown smell from a bin lorry in Norwich prompted a rapid response from firefighters.

Crews from Sprowston and Carrow were sent to Bishopgate at 9.35am this morning to reports of an unknown smell from a bin lorry.

It was feared the unknown smell was the source of a blaze.

But Norfolk fire said the call-out was a false alarm motivated by good intent.

Firefighters left the scene at 10.22am.