Last month disturbances in north London triggered riots around England.

News of the attack on the temple triggered riots in Punjab, and across northern India.

Harney's death was a political assassination, it triggered nationwide riots followed by the biggest murder investigation South Africa has seen.

The controversy triggered riots between Shiites and Sunnis, causing casualties on both sides.

This event triggers national panic and riots.

News of his execution triggered widespread riots on a national scale.

These events heightened tension in Alexandria, and eventually triggered violent riots with loss of life on both sides.

The plan triggers riots, leaving at least 70 dead by September.

Against this backdrop, the protest triggered massive riots in Calcutta.

The attacks triggered riots by nearby Blacks, who met with repression from the Birmingham Police.