Lord Frost quit government 'due to disagreements over plan B Covid restrictions'
Lord Frost quit government over the weekend but insisted he still supported the prime minister.
Lord Frost quit government over the weekend but insisted he still supported the prime minister.
A prominent Tory MP suggested Conservative colleagues would now be considering their support for the PM over Christmas.
The former minister said he is resigning with 'immediate effect' after previously being persuaded by the prime minister to stay on until January.