It happened during the afternoon of July 30, when police were called to reports of three boys being sprayed in the face with an unknown substance in Rouen Road in Norwich.

It is believed that six boys, all under the age of 18, were confronted by another group who accused them of "looking at them funny".

Emergency services on the scene at Rouen Road(Image: Bruno Brown)

After the unknown liquid was thrown, at least two........

© Eastern Daily Press