Ex-MI6 boss Sir Richard Dearlove has alleged that financial ties between Moscow and the US President may still “linger”.
But his allegations have been fiercely denied by the President who insists no country has leverage over him.
The intervention by the man who ran Britain’s network of agents abroad comes as the US President has admitted that relations with Russia are at an all time low.
Donald Trump may have borrowed cash from RUSSIA for property empire, claims ex-MI6 boss
I HAVE NOTHING TO DO WITH RUSSIA – NO DEALS, NO LOANS, NO NOTHING!
It follows the Kremlin and White House clashing over Russia’s ally Syrian President Bashar Assad allegedly using sarin gas on civilians in a rebel held area killing 84 people including 20 children.
The attack saw Mr Trump order a missile strike on Syria taking out the airfield where the chemicals weapons attack was launched and 20 per cent of Syria’s fighter jets.
Sir Richard said the allegations surrounding members of Mr Trump's team over contact with the Russian government were "unprecedented".
The allegations have been fiercely denied by Mr Trump who insists no country has leverage over him
Speaking to Prospect magazine, he added: "What lingers for Trump may be what deals – on what terms – he did after the financial crisis of 2008 to borrow Russian money when others in the west apparently would not lend to him."
His allegations follow claims made by agencies in the US about links with Russia and President Trump and a dossier produced for the Clinton campaign by another former British spy.
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Days before his inauguration in January, Mr Trump tweeted: "Russia has never tried to use leverage over me.
"I HAVE NOTHING TO DO WITH RUSSIA – NO DEALS, NO LOANS, NO NOTHING!"
First 100 days of President Trump
Fri, March 24, 2017
President Donald Trump is making a significant impact on global politics during his first term.
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US President Donald J. Trump gets in the driver's seat of an 18-wheeler while meeting with truck drivers and trucking CEOs on the South Portico prior to their meeting to discuss health care at the White House in Washington, DC
Mr Trump came to power pledging to build bridges with Russian leader Vladimir Putin, but the conflict in Syria has dealt a blow to those aspirations.
US air strikes in retaliation for Moscow-backed Syrian leader Bashar Assad's use of chemical weapons have contributed to relations between Washington and Moscow falling to what Mr Trump claimed may be an "all-time low".
But US Secretary of State Rex Tillerson, who was in Moscow for tough talks this week, has previously struck oil deals with Vladimir Putin’s regime and was once even given an award by the Russian President.