News / Liberal Democrats (UK)
Rennie claimed previous SNP and independence supporters were switching to his party.
He defeated rival Layla Moran by 42,756 votes to 24,564 to take over from Jo Swinson.
Willie Rennie says he is trying to entice the party's former UK leader to run in next year's Scottish Parliament election.
The party said it made the move because the country was in its biggest crisis since the Second World War.
Inquiry accuses former Liberal leader of 'abdication of responsibility' over child sex allegations against late MP Cyril Smith.
The SNP is on course to win a landslide of Scottish seats on December 12, our poll found.