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Mercedes chief Toto Wolff has accused his Red Bull counterpart Christian Horner and other Formula One bosses of 'ganging up on him' at a team principals meeting in Montreal on Saturday, per reports.

Teams are currently in Canada for the ninth race of the season and Saturday saw Max Verstappen take pole position ahead of Fernando Alonso and Carlos Sainz in qualifying. Team principals met up on the Saturday morning to discuss the season so far - something that caused friction between Wolff and Horner amongst others.

Porpoising, regulation changes and the current campaign so far were on the agenda, although things turned sour against Wolff as he became agitated, according to the Daily Mail. And the argument got so heated that witnesses claimed that the Austrian 'lost his s**t' at his fellow principals.

The report