"It needs to be able to raise its own funds and capital," he said.

It comes as 63 Republicans - most of them allies of the former US president - voted against a resolution expressing support for NATO in Congress.

"If you want to expand your income for the treasury, you don't raise taxes, you lower them."

British Airways axed at least 78 flights at Heathrow, while easyJet cancelled at least 30 at Gatwick.

It comes as a critical incident was also declared due to extreme pressure on the ambulance service.

"Colin from Portsmouth has never felt more let down by his party, who can be sure of his vote in the next election."

The Conservative Party's 2019 manifesto pledged “not to raise the rates of income tax, national insurance or VAT”.

Unite's general secretary blamed "bargain-basement wages and insecure jobs" for the chaos, which could get even worse this summer.

Conservative Lord Cormack described the bill as “largely unnecessary, narrow, mean-minded" and “in danger of breaching not just international law but also international humanity”.