Former PMs Blair, Brown, Cameron, and Sturgeon tributed Kirsty Wark as she presented BBC's Newsnight for the last time.

Former Prime Ministers Tony Blair, Gordon Brown, and David Cameron, along with former Scottish First Minister Nicola Sturgeon, have paid tribute to Kirsty Wark as she presented BBC's Newsnight for the last time. Wark, who has been the longest-serving presenter in Newsnight's history, hosted her final show on Friday. She will go on to present Front Row on BBC Radio 4.