All 28 Chinese crew members aboard a China-linked cargo ship hijacked by Somali pirates have been rescued, the Chinese embassy in Tehran said. The cargo ship, Xianghuamen, was hijacked by Somali pirates in the Sea of Oman near Iran's southern port of Chabahar.The vessel, registered in Panama, belongs to Nanjing Ocean Shipping company in eastern China. The cargo ship, setting off from Shanghai, made a stopover in Singapore to unload, then headed for Imam Khomeini port in southwestern Iran when it was hijacked. Nine Somali pirates climbed onto the cargo ship by their own ladders, fired shots on the ship and seized the Chinese crew members on board. Two Iranian naval warships participating in the rescue operation followed the vessel and ordered the pirates to surrender.