LAHORE, May 15: The complainant in the Mughalpura killing of five members of a Shia family and a maid, was found murdered in Harbanspura area on Saturday.

Police said that engineer Nadeem Haider, 40, the elder brother of slain Sajjad Ahmad Shah, left his house at 6pm by his car.

Passersby spotted his body near the Harbanspura canal and called the police who removed it to the city mortuary. His car was also found parked nearby.

According to sources in the mortuary, the body bore three injury marks on neck and wrists, apparently inflicted with a heavy and blunt weapon.

In a related development police arrested five members of outlawed Sipah-i-Sahaba Pakistan on Saturday in connection with the murder of the six people in Mughalpura.

Sajjad Ahmad Shah, 36, a textile mill manager, his wife Saima, 27, six-month-old daughter Fatima, brother-in-law Naveed, 32, sister Sobia, 25, and a teenage maid Sonia were found murdered in their house-cum-school on Friday.

The police picked up five members of the banned SSP from Mughalpura and Ghaziabad. Three of them were, however, released after interrogation. The other two, Amir Muawia and Rustam, were still in their custody.