QUETTA, May 5: The convoy of Sardar Sarfaraz Khan Domki and Mir Dostain Khan Domki, grandsons of late Nawab Bugti contesting elections for national and provincial assembly seats, was hit by a bomb in Tali area of Sibi on Sunday.

The candidates remained safe but their two security guards were killed. Two attackers were also killed in an exchange of fire soon after the blast.

Sources said that Sardar Sarfaraz, a candidate for PB-21 Sibi seat, and his cousin Mir Dostain contesting for the NA-265 seat were going to their native town Lehri after completing their election campaign when the bomb exploded near their convoy, leaving two security guards dead. Three vehicles in the convoy were damaged.

Sources said that after the blast, security guards of Sardar Domki fired back on the two men on a motorcycle. The firing left both the attackers dead.

Meanwhile, two workers of Jamiat Ulema-i-Islam (Nazaryati group) were injured when the office of the party came under attack in Killi Deba area.