NEW : It is not clear what source led investigators to the former military commander , accused of ordering the 1995 massacre of some 8,000 Muslims in the eastern Bosnian town of Srebrenica . Nearly 100 people are injured as protesters , police clash in Belgrade . NEW : Police make more than 100 arrests . Demonstration calls for President Boris Tadic to step down . President Mladic was captured , after 16 years in prison .
NEW : Nearly 100 people are injured as protesters , police clash in Belgrade . NEW : Police make more than 100 arrests . Demonstration calls for President Boris Tadic to step down . President Mladic was captured , after 16 years in prison .