11.   Militant students hurled hundreds of firebombs at a campus rally Tuesday, blaming police violence for the death of a student protester.

12.   Several students were seen hurling fist-sized rocks at riot police, who did not respond.

13.   Students also hurled rocks and wielded metal pipes.

14.   Students hurled firebombs and swung metal pipes in a clash with police Monday as demands for punishment for two former presidents continued to mount.

15.   Students hurled rocks and blocked vehicles in the city Thursday, but police quickly dispersed them.

16.   Some students hurled firebombs from the top of a school building.

17.   Students hurled rocks, bottles and bamboo sticks at police who chased and beat them with canes.

18.   Students hurled rocks and set shops ablaze Wednesday as riot police armed with automatic rifles and clubs closed down university campuses to crush demands for democratic reforms.

19.   Students hurled stones and other objects at police, and reporters saw at least two policemen who were seriously injured.

20.   The policeman was killed when he was hit on the head by bricks allegedly hurled by students.