He was barred indefinitely from both sites in January in the wake of posts he made on the US Capitol riots, but last month Facebook’s Oversight Board criticised the open-ended penalty.

Facebook said Mr Trump’s actions were “a severe violation of our rules”.

Mr Trump said the move was “an insult” to the millions who voted for him in last year’s presidential election.

Facebook’s move comes as the social media giant is also ending a policy shielding politicians from some content moderation rules.

It said that it would no longer give politicians immunity for deceptive or abusive content based on their comments being newsworthy.

Mr Trump’s ban was effective from the date of the initial suspension on 7 January, Facebook’s vice-president of global affairs Nick Clegg said in a post.

“Given the gravity of the circumstances that led to Mr Trump’s suspension, we believe his actions constituted a severe violation of our rules which merit the highest penalty available,” it added.

“If we determine that there is still a serious risk to public safety, we will extend the restriction for a set period of time and continue to re-evaluate until that risk has receded.”

On his return, Mr Trump will be held to “a strict set of rapidly escalating sanctions,” for any violations, Mr Clegg’s statement noted.

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