KARACHI: Officials of secret agencies on Sunday inspected the site of the powerful blast that happened Karachi’s Shershah.

The intelligence officials today inspected the structure damaged in the blast. The investigators also collected samples from various parts of the premises with modern equipment. The officials also gathered samples of soil from the debris for investigation. “The officials will inquire into the evidence to establish, whether the blast was an act of sabotage or not”, sources said.

Moreover, a cash machine of bank, which fell into the sewerage drain after the blast, was retrieved from the sewerage water today. The officials were also picking currency notes from the sewerage drain. A factory-like building in Karachi’s Sher Shah was partially collapsed on Saturday following a powerful explosion leaving 15 persons dead and several others injured.

The cause of the blast yet to be established as police officials said that the Bomb Disposal Squad (BDS) will investigate and establish the nature of the explosion. The building houses a bank and other offices. According to reports, the two-storey building was constructed on a sewerage drain. Following the powerful explosion that rocked the area, many parked vehicles in the streets were also damaged with the impact.