Sunken drilling rig threat to safe navigation in Caspian - Prosecutor’s Office

    By E. Kosolapova     The floating drilling rig -- '60 years to Azerbaijan,' sank nearly 30 years ago in Kazakhstan’s sector of the Caspian Sea and now threatens the safety of navigation within a one mile radius, the Kazakh Transport Prosecutor's Office said yesterday.     "Gas of an unknown origin is being discovered in...