The UK government has been rocked by the departures of its chief Brexit negotiator and foreign secretary, casting further uncertainty over both the country’s path to leaving the European Union and the stability of Prime Minister Theresa May’s government.

Brexit secretary David Davis’ sudden resignation on Sunday night came a day after May said her cabinet — which had been fraught with infighting between europhiles and eurosceptics — had reached a consensus on the type of Brexit it wished to negotiate with Brussels.