By Zhao Wei, Sina English
Another Chinese patrol ship showed up around 7 a.m. (11 a.m. GMT) on Thursday in waters off the Diaoyu Islands following the previous three Chinese fishery approached waters off the Islands on Wednesday, according to a Japanese media.
The Chinese ship, Yuzheng 33001, was spotted traveling south-southeast at a point some 41 kilometers northwest to the Diaoyu Islands within China's exclusive economic zone in the East China Sea.
In response to questions from Japan Coast Guard vessels, the Yuzheng 33001 said it is patrolling the Chinese waters.
Three Chinese fishery patrol ships, Yuzheng-202, Yuzheng-204 and Yuzheng-35001, approached waters off the the Diaoyu Islands around 2 a.m. Wednesday on a routine mission within China's exclusive economic zone in the East China Sea.