AHSA: The Civil Defense has opened an inquiry into the collapse of a building under construction in the Mahasin District of Al-Ahsa Friday which killed one construction worker and left another injured. The worker, who officials said was of an Asian nationality, died when the roof of the structure collapsed as he and a colleague were removing wooden beams from a concrete structure on the roof to protect a giant water tank. Machinery was brought in to clear the rubble and the injured man was taken to hospital in Al
