John Glen, City Minister and Economic Secretary to the Treasury, announced his resignation on Wednesday. 

"The country deserves better and I must return to the backbenches to dedicate myself to the service of the people of Salisbury and South Wiltshire," Glen tweeted out.

Additionally, Felicity Buchan, the Tory MP for Kensington and parliamentary private secretary to the Secretary of State for Business, Energy and Industrial Strategy, has resigned from her role, calling the current situation "untenable."

Market reaction

The market mood remains upbeat despite political jitters and the UK's FTSE 100 Index was last seen rising 1.65% on a daily basis. Meanwhile, GBP/USD is down 0.1% on the day at 1.1945.