Floating drydock in Guam sinks

Manila: A Guam Shipyard floating drydock sank after taking on water. ?The dock, known as Big Blue, is partially submerged after the incident on Monday. ?The US Coast Guard (USCG) said it received a call from the US naval base on the island in the early hours, saying the dock was sinking and was possibly on fire. ?Nobody was hurt, but a rescue boat reported debris in the water and what appeared to be floating fuel tanks.  USCG has warned ships to be aware of a possible hazard to navigation. [05/01/11]