1.   For decades, radical South Korean students, sometimes throwing firebombs and wielding metal pipes, were a symbol of a nation struggling toward democracy.

2.   But national television station MBC, quoting police witnesses, reported that the policeman collapsed after he was hit repeatedly by students wielding metal pipes.

3.   Hundreds of students, hurling rocks and wielding steel pipes, fought repeatedly with police, demanding that they be let out of the school without arrest.

4.   Japanese news media reported that the assailants may have been wielding pipes, but Fujita said that the matter was still under investigation.

5.   Students also hurled rocks and wielded metal pipes.

6.   Students fought back, hurled hundreds of fire bombs and wielded steel pipes.

7.   Students retreated into the campus but regrouped quickly to charge back, wielding steel pipes and throwing hundreds of firebombs.

8.   They kicked, wielded steel pipes and threw plastic beer boxes at police, who fired tear gas.

9.   Thousands of protesters, hurling rocks and wielding metal pipes, fought for several hours with police firing tear gas.

10.   Workers and students also wielded steel pipes as police fought back with tear gas.