KARACHI  - Following a massive blast, Rangers on Monday conducted a search operation in different parts of the city and claimed to have arrested more than 200 criminals of a banned outfit.

Sources said the paramilitary troops cordoned off Gulshan-e-Memar, Baldia Town, Gulistan-e-Jauhar and Sikandar Goth areas on tip off that some suspects were hiding there.

Rangers commandos searched houses also recovered illegal arms, including machine guns and pistols, rounding up more than a dozen suspected criminal.

The death toll from Sunday's blast has mounted to 45, with over 150 people injured.

Meanwhile postmortem was conducted on 44 bodies of the victims of the Abbas Town blast, Police Surgeon Karachi Dr Jalil Qadir Memon said that till Monday morning posptmortem has been conducted on 32 bodies. He said that 10 bodies which were brought to Abbasi Shaheed Hospital have been handed over to their heirs.

According to Edhi spokesman, 26 dead bodies are lying in their cold storage in Sohrab Goth out of which 6 have been handed over to their heirs. He said 20 bodies still remain out of which 9 are unidentified while 7 are unclaimed.