The British campaign group "Led By Donkeys" has claimed responsibility for the stunt that authorities say may have breached German laws on the use of symbols linked to illegal organizations.

Elon Musk, the world's richest man, standing behind a podium bearing the Seal of the President of the United States, on Monday twice gave what scholars, journalists and rights groups said was a Hitlergruß,

Campaign group Led by Donkeys has projected the clip of Elon Musk making two ‘Nazi salutes’ at Trump’s inauguration onto the side of his Tesla factory in Berlin. The video featured Musk making the gesture alongside the words “Heil Tesla”, a reference to the Nazi greeting used to pay homage to fascist leader Adolf Hitler.