LAHORE - On the directions of Punjab Chief Minister Shahbaz Sharif, a joint investigation team headed by Additional IG Mushtaq Ahmed Sukhera has been constituted for investigation of murder of two brothers in Sialkot, whe-reas DIG Major (r) Mub-ashar will continue departmental inquiry of the incident. In a statement issued on Monday, a spokesman of Punjab government said on the instructions of Supreme Court, Justice (r) Kazim Ali Malik would probe into the incident of murder of two brothers in Sialkot.