A mainland spokesperson on Saturday warned the Democratic Progressive Party of Taiwan over its proposal to delete words related to national unity from a cross-Straits regulation.

It was reported that a legislator of the DPP proposed to amend the act governing relations between Taiwan and the mainland by removing the words related to national reunification.

In response, Ma Xiaoguang, spokesperson for the Taiwan Affairs Office of the State Council, said it is extremely dangerous to make attempts at "Taiwan independence" and constantly challenge the mainland's bottom line.

He warned that "Taiwan independence" separatists should not underestimate the firm determination of the Chinese people to safeguard China's sovereignty and territorial integrity.