Polls have opened to replace Sir Keir Starmer in the Holborn and St Pancras by-election at 7am this morning. The north London constituency has been safely held by Labour since it was created back in 1983. Sagal Abdi-Wali, the current Camden Council leader, is gunning to replace the former Prime Minister as the party's MP in the crunch mid-term contest. But Labour's long-lasting streak is being challenged by Green Party leader Zack Polanski, who hopes to secure his own seat in the House of Commons. There are 13 other candidates in the by-election, including the Conservatives' Ewan Cameron, Reform UK’s...