Liz Truss is set to accompany the King on a tour of the United Kingdom as he leads "services of reflection", it has been announced.
The new Prime Minister will head to Scotland on Monday where the monarch will also be joined by First Minister Nicola Sturgeon at a service in St Giles Cathedral in the capital.
The King, the Queen Consort and Truss will head to Northern Ireland on Tuesday and then Wales on Friday.
A spokesperson for the PM said: "The Prime Minister believes it is important to be present for what will be a significant moment of national mourning around the United Kingdom."
The late monarch's final public act was to appoint the Conservative leader the Prime Minister on Tuesday at Balmoral in Aberdeenshire. Truss was one of a number of several senior MPs who swore a new oath of allegiance to the new King in a special sitting of parliament on Saturday afternoon.
Earlier in the day Truss, Sturgeon and six former prime ministers were present when Charles was officially proclaimed the new King at St James's Palace.
A spokesperson added: "In terms of the prime minister's involvement, she will join the king as he leads the national mourning across the United Kingdom, attending services of reflection in Scotland on Monday afternoon, in Northern Ireland on Tuesday, and Wales on Friday."
What will happen today?
- 10am: The cortege is expected to leave Balmoral Castle - where the Queen died on Thursday. Well-wishers are expected to gather along the route the cortege will take as it travels from Balmoral to the Scottish capital.
- 10.12am: It will first head to the nearby town on Ballater in Aberdeenshire, passing along the A93. Tributes will be led by the Lord-Lieutenants of Aberdeenshire, as well as senior officers and councillors. The cortege will then travel along the A93, through Aboyne, Banchory and Drumoak.
- 11.20am: It is then expected to arrive in Aberdeen about an hour later, where the Lord Provost of Aberdeen, in his role as Lord-Lieutenant, will lead a tribute at Duthie Park.
- 2pm: The cortege will arrive in Dundee at about 2pm, after travelling south along the A90. Members of the public are being invited to pay their respects in safe standing areas along the A90 Forfar Road and Kingsway.
- 4pm: The cortege will then head to Edinburgh, where First Minister Nicola Sturgeon and other party leaders in Scotland are expected to observe the coffin as it goes past the Scottish parliament.
To sign up to the Daily Record Politics newsletter, click here.
