The Chinese mainland on Monday expressed condolences over the death of Chin Ching-sheng, secretary-general of Taiwan's People First Party.
"We deeply regret and mourn the passing of Mr. Chin Ching-sheng," said Ma Xiaoguang, spokesperson for the State Council's Taiwan Affairs Office.
Chin devoted himself to cross-Strait exchanges and cooperation, and contributed greatly to the peaceful development of cross-Strait relations, Ma said.
Zhang Zhijun, head of the Taiwan Work Office of the Communist Party of China Central Committee, has sent a message of condolences to Chin's family, Ma said.
Chin died at the age of 70 on Sunday, according to Taiwan media.