Contenders to succeed Liz Truss have until 14:00 on Monday to gather the support of 100 MPs to run.
Ben Wallace rules himself out of leadership race and is ‘leaning towards’ backing Boris Johnson as next PM.
Johnson and Truss have travelled separately to Balmoral Castle in Aberdeenshire to meet the monarch.
British Prime Minister Boris Johnson will set out on Tuesday his plans to manage the COVID-19 pandemic in the winter months, announcing a decision to scrap the introduction of vaccine passports and steps to end some emergency powers.
