LONDON — Prime Minister Keir Starmer faced calls Monday to sanction Elon Musk after the X and Tesla owner told an anti-immigration rally that violence is coming to Britain and they must fight or die.

Starmer denounced violence on the fringes of Saturday’s 100,000 or more-strong “Unite the Kingdom” demonstration in London organized by far-right campaigner Tommy Robinson.

Police said 26 officers were injured, four seriously, as protesters tried to breach lines separating them from a smaller anti-racist counter-demonstration. There were 25 people arrested at the event and the Metropolitan Police said more arrests would follow.

Addressing the demonstration by video link, Musk called for the dissolution of Parliament, an early election and a change of government in Britain. He told protest

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