Healey asks Farage if any of £5m gift may have come from Russia-linked profits

The defence secretary, John Healey, has urged Nigel Farage to provide transparency about the £5m gift he received from a billionaire businessman, in particular over whether any of the sum could have been linked to Russia-connected profits.

In a letter to the Reform UK leader, Healey also asked him to address the possibility that the war against Iran might boost the revenues of AML Global, an aviation fuel company owned by Christopher Harborne, who gave Farage the £5m in 2024. Farage initially supported the US-Israeli attacks on Iran.

The letter, seen by the Guardian, asked Farage to confirm that none of the sum was “derived from transactions with Russian state-linked energy companies”, and to give assurances that AML Global had complied fully with all sanctions on Russian energy since the full-scale invasion of Ukraine in 2022.

In a statement to the Guardian, AML Global said it had complied fully with all UK and international sanctions, and screened any business partners to ensure the same.

Reform UK and Farage were contacted for comment.

The Guardian revealed last month that shortly before the 2024 general election, Farage was given £5m by Harborne, a British-Thai dual citizen based in Thailand.

Farage did not disclose the money at the time, and it only emerged when the Guardian reported it.

He has argued that because it was an unconditional gift, and received before he announced he would run for parliament, there was no need to declare it once he did become an MP.

However, after a complaint from the Conservatives, Farage faces a formal investigation by the parliamentary standards watchdog, Daniel Greenberg, into whether he should have done.

In the letter, Healey noted that AML Global supplies jet fuel through a network of “main and regional oil companies” covering more than 1,200 locations worldwide, including central Asia, the Gulf and eastern Europe.

Healey asked Farage to confirm that none of the profits which helped finance the £5m gift came from transactions with Russian state-linked energy companies, that AML Global had fully complied with all Russia sanctions, and that “no fuel sourced from Russian-controlled refineries has passed through its supply chain”.