The police excepted almost immediately that Blair Peach had died after being struck on the head by a police officer. Officers were identified but sufficient evidence to bring a prosecution could not be found. It could be said that the recent apology should have been made sooner.
Having spent six years working in Southall from 1990 I can certainly say the place had moved on considerably at that time, from the late 70's.
The two gangs were there but caused relatively little trouble.
Asian v White violence was almost non existent.
The biggest inter race issues were between those from Asian and Somalian backgrounds.