THATTA - Thatta police claimed to have arrested two hardened criminals, one of them carrying Rs500,000 head money, and recovered sophisticated arms from their possession during an ongoing campaign against criminals early on Friday. Thatta SSP Dr Imran Khan told Dawn that Ramzan Aka Ramoo Mallah, Allah Bux Chandio were members of a notorious gang and involved in more than 35 heinous offenses including robberies, vehicle snatching in various districts of Hyderabad region.