In this photo illustration, a Twitter logo is displayed on a mobile phone with a President Trump's picture shown in the background on May 27, 2020, in Arlington, Virginia. (Photo: AFP)

WASHINGTON, Jan. 6 (Xinhua) -- U.S. President Donald Trump's personal Twitter account will be locked for 12 hours as he violated the platform's violent threats policies and will be permanently suspended if he continues to do so, the company said Wednesday in a statement.