QUETTA - Four workers of a construction company were injured in an explosion near Kathan Link Road area of Khuzdar on Wednesday.  According to local police officials, unknown men had attached explosive devices with a motorbike and parked it near Kathan Link Road. The IED went off when the vehicle carrying workers from Khuzdar to Naal was passing the area. As a result, four workers received serious injuries and were rushed to a nearby hospital. The victims were identified by police as Shamsur Rehman, Noorullah, Hafeezullah and Qasid.  Deputy Commissioner Khuzdar Wali Muhammad Bareach along law and enforcement agencies reached the site and cordoned off the entire area and started investigation.