Scottish Conservative MP Douglas Ross in Edinburgh, after he confirmed he will stand for leader of the Scottish Conservatives following the sudden resignation of Jackson Carlaw after less than six months in the post. PA Photo. Picture date: Friday July 31, 2020. Former Scottish Conservative leader and Edinburgh Central MSP Ruth Davidson has agreed to lead First Minister's Questions until a new leader for the party has been elected. See PA story POLITICS ScotTories. Photo credit should read: Andrew Milligan/PA Wire