Cheng emphasized that the Diaoyu Islands
are China's inherent territory as well as the surrounding waters, Xinhua reported.
On the same day, about a thousand Chinese fishing boats were dispatched to the area in what appeared to follow up on Beijing's promise to send both fisherman and patrol boats to the East China Sea in an attempt to refute Japan's purchase ealier in the week of three of the five Diaoyu Islands
, to which both Beijing and Tokyo have laid claim.
The Hong Kong group, known as the "Action Committee for Defending the Diaoyu Islands
," says that its trip was aimed at pre-empting the Japanese who landed on Sunday.
Chan Miu-tak, chairman of an activist group called Action Committee for Defending the Diaoyu Islands
, said the "protect Diaoyu" boat will be joined at sea on Tuesday by two other vessels, one from Xiamen in southern China and another from Taiwan, in a coordinated attempt to sail to the islands, known as the Senkaku Islands in Japan, Diaoyu in China, and Tiaoyutai in Taiwan.
He said it seems that Washington has not yet fulfilled its promise to remain neutral on the Diaoyu Islands
"The current problem is not China being assertive, but about Japanese ships and airplanes repeated illegal activities in airspace and waters off the Diaoyu Islands
, which undermine China's territorial sovereignty," she said.
Lo Chau, owner of the Bao Diao II, carrying activists from Hong Kong, Macao and Shenzhen, said, "Japan invaded (China), and today they invade the Diaoyu islands
," he said.
Cui emphasized that it is Japan, not China, that has created the tensions and has been taking "unilateral or coercive actions" on the issue of the Diaoyu Islands
, which are historically an integral part of China's territory.
Qin said, "We urge the US side to adopt a responsible attitude in regard to the issue of the Diaoyu Islands
. It should be careful with its words, and act and maintain regional peace, stability and the general situation of China-US relations with practical actions and build credit with the Chinese people.
The activists from Hong Kong, mainland China and Taiwan plan to link up with another vessel embarking from Taiwan before proceeding toward the islands, which are known to Chinese as the Diaoyu Islands
China government has urged Japan to immediately withdraw Japanese fishing boats from Diaoyu Islands
' waters on Monday, according to the Foreign Ministry of China.
The Diaoyu Islands
are about sovereignty and territorial integrity and is China's core interest, ministry spokeswoman Hua Chunying said at a press conference.