An extra 1, 700 police officers were deployed in London, where shops were looted and buildings were set alight.

BBC: Further riots in London as violence spreads across England

Shops were looted and cars destroyed.

ECONOMIST: The woes of three uncertain mini-democracies

Today in Paris cars were set on fire and shops were looted.

NPR: Protesters Fight Impending Youth-Jobs Law

In Tanzania, anti-Asian feelings spurred the programme of nationalisation in 1980, and in Kenya, Asian homes and shops were looted during the unsuccessful coup attempt of 1982.

BBC: Kenya's Asian heritage on display

State-owned TV and radio stations were attacked and shops belonging to Mr Ravalomanana looted.

BBC: Troops patrol Madagascar streets