ISLAMABAD: Fighting among Pakistan Tehreek-e-Insaf (PTI) workers broke out at sit-in being staged by party activists on the call of Imran Khan.
Sources said the clash erupted over getting the chairs. The clashing activists freely used fists and clubs in the fight.
Police brought the situation under control.
PTI is staging sit-in to press their demands. Imran Khan has demanded PM Nawaz Sharif to step down over poll row.