1.   Nowadays, when most South African universities are victim to student riots, staff strikes and vicious infighting over leadership, Cape Town has been an island of calm.

2.   Student riots prompted his reinstatement just before the uprising, and by October he was prime minister again.

3.   Students riot, legislators disrupt budget speech.

4.   University closed after students riot over political violence.

5.   His death sparked widespread students riots.

6.   Belt-tightening measures regularly spark student riots and popular revolts in Venezuela.