SUKKUR, March 8: Scores of Kalhoro tribesmen staged a protest demonstration and a sit-in in front of Ghotki Press Club on Wednesday to protest delay in arrest of killers of head constable, Dildar Kalhoro. The protesters, led by Nazir Kalhoro who is cousin of the deceased, chanted slogans against police, who according to them was reluctant to arrest the killers.—Correspondent