Five candidates are squaring off at a leadership debate for Ontario's Progressive Conservative Party.

MP for Barrie and leadership candidate Patrick Brown will be there. He says it's time for change and he thinks it's time to clean house in the party.

Lambton-Kent-Middlesex MPP Monte McNaughton, a two-term MPP and the only local in the race, is making his first leadership attempt.

Others running for the leadership include front-runner and Oshawa MPP Christine Elliott, MPP for Nippissing Vic Fedeli and Nepean-Carleton MPP Lisa MacLeod.

This is the second debate for leadership hopefuls and it remains very early in the race.

The event takes place from 7 p.m. until 9 p.m. at the London Convention Centre.