Panama freighter “Yuan Xiang” with 29 Chinese sailors on board was hijacked by pirates in waters of the Arabian Sea on the northern Indian Ocean last night. The China Marine Rescue Centre (CMRC) said this morning that the centre has failed to get in touch with the hijacked ship and the fate of the Chinese sailors remained unclear.The waters of the Arabian Sea, where the hijacking occurred, are not protected by the Chinese Navy's convoy fleet, the CMRC said.The pirates told the ship company that the ship is sailing to Somalia. CMRC has contacted international anti-pirate organizations and relevant countries to carry out the rescue efforts.