White House: Trump Signs Memo to Block Antifa Members From Entering US President Donald Trump has signed a memorandum seeking to block the entry of individuals affiliated with the far-left movement Antifa to the United States, the White House announced on Jan. 5, saying that the violence spurred on by the group endangers the fabric of the nation. “Antifa activists have brutally attacked our law-abiding friends, neighbors, and business owners, and destroyed historic landmarks that our communities have cherished for decades,” White House press secretary Kayleigh McEnany said in a statement on Jan. 5. “This violence and lawlessness has no place in the United States and will be called out for the domestic terrorism that it is.