Multiple communities on Reddit have banned links from Elon Musk’s X platform after the tech mogul flashed a gesture that resembled a Nazi salute during an inauguration event. Musk has vehemently denied that his gesture of placing his hand on his heart and quickly extending his arm was a Nazi salute,

After Musk sparked a wave of ire with back-to-back Nazi salutes at an Inauguration Day event in Washington, D.C., on Monday, the bans quickly swept across Reddit. Such a move is not unheard of — moderators can ban links to specific sites, meaning that posts and comments including X links are easy to block.

Reddit communities, including some with millions of followers, have instituted bans on links to X, formerly known as Twitter, amid the uproar surrounding Elon Musk’s hand gesture during a recent inauguration event. A Reddit spokesperson clarified that these bans are initiated at the user-level and are not platform-enforced.