Democratic senator raises concerns about Biden campaign decision to join TikTok

U.S. Senator Mark Warner, Democrat of Virginia and Chairman of the Senate Select Committee on Intelligence, holds a hearing about worldwide threats, on Capitol Hill in Washington, DC, U.S., April 14, 2021. Saul Loeb/Pool via REUTERS/File Photo

ARLINGTON, Virginia (Reuters) - The chair of the Senate Intelligence Committee said on Monday he is concerned about the decision by the campaign of President Joe Biden to join short-video app TikTok, while the White House said nothing has changed about government national security concerns.

Democratic Senator Mark Warner said he was concerned about the national security implications of Chinese-owned TikTok and the Biden campaign decision to join.