A fourth Tory is being investigated for allegedly placing dozens of bets on the general election date.

Metropolitan police says five more officers being investigated as Conservative party no longer backing Craig Williams and Laura Saunders

Prime minister says he does not have details of Gambling Commission investigation but says Tories staging their own inquiry

Meanwhile, Scotland Yard said five officers were alleged to have placed bets.

Met and Gambling Commission to focus on whether alleged use of confidential information constitutes cheating

Met and Gambling Commission to focus on whether alleged use of confidential information constitutes cheating

At least seven London police officers are caught up in an investigation into a betting scandal that has rocked the final days of Britain's election...

Throughout this general election period, the Labour Party has made a habit of parachuting in candidates – or in most cases dropping them out of...

Britain's Gambling Commission is reportedly investigating Conservative candidates and the party's director of campaigning over bets on the election...

Party says it can no longer support Craig Williams and Laura Saunders – who are under investigation over alleged bets