BEIJING - Chinese marine surveillance ships continued regular patrols in the territorial waters surrounding the Diaoyu Islands on Sunday, the State Oceanic Administration said.

Chinese marine surveillance ship Haijian 137 carries out a regular patrol in waters surrounding the Diaoyu Islands on Feb 14, 2013. The fleet of Chinese marine surveillance ships continued regular patrol surrounding the Diaoyu Islands during the Spring Festival holiday. [Photo/Xinhua]

The ships included Haijian 50, Haijian 15, and Haijian 26, according to an administration statement. (Haijian is the Chinese equivalent of "marine surveillance.")