Defence Secretary Ben Wallace is being touted as a potential successor to Liz Truss, as pressure grows on the prime minister to resign.
The Conservative minister has emerged once again as a potential leader, after ruling himself out of the race to succeed Boris Johnson on personal grounds.
But asked if he would consider running for leader at Conservative party conference earlier this month, the former Tory MSP said: “I don’t rule it out.”
In recent days, there have been reports the father-of-three could be brought in to replace Ms Truss.
We take a look at the man who started off in the north-east of Scotland – and could end at No 10.
Life before politics
Mr Wallace, 52, was born in London and attended Millfield private school in Somerset as a child.
After school he worked as a ski instructor in Austria before going to the Royal Military Academy in Sandhurst.
He was then commissioned into the Scots Guards in the 1990s and rose to the rank of captain.
During his military career he saw service in Northern Ireland, Germany, Cyprus and Central America, and was mentioned in dispatches in 1992.
Wallace enters Holyrood in 1999
After his stint in the military, Mr Wallace became one of the youngest MSPs in Holyrood when the devolved parliament was first created back in 1999.
He stood for election in the West Aberdeenshire and Kincardine seat, coming second to Lib Dem Mike Rumbles.
But under the list system that was enough to get him through the door to Holyrood, and he became one of the first MSPs for the North East region.
His seat covered Dundee, Angus and Aberdeenshire.
During his time at the Scottish Parliament he was a frontbench spokesman for health under late Scottish Conservative leader David McLetchie.
He left Holyrood in 2003 to pursue his career in Westminster.
Political life in the House of Commons
Mr Wallace was first elected to the House of Commons in 2005 as the MP for Lancaster and Wyre.
And since 2010 he has been the MP for Wyre and Preston North.
His first job in government was parliamentary private secretary to the then Justice Secretary Ken Clarke QC MP.
Since then he has served as Conservative Party whip, Northern Ireland minister and was the UK’s longest-serving security minister.
He was in position during the terror attacks of 2017 and the Russian State attack in Salisbury in 2018.
In 2019 Boris Johnson promoted Mr Wallace to UK defence secretary.
After ruling himself out of the leadership race, he later endorsed Ms Truss.
He was reappointed to his post on September 6, after she entered Downing Street.
He is responsible for a number of international partnerships including NATO, the US, France, Germany, Saudi Arabia and the Gulf, defence planning and nuclear operations, and sits on the National Security Council.
Mr Wallace currently lives in Lancashire and enjoys rugby, motor sports and horse racing.