A news conference was called last night at 9:45 by Ontario PC Leader Patrick Brown.
In the news conference Brown stepped down as leader of the Progressive Conservative Party of Ontario.
The resignation comes just hours after he denied allegations of sexual misconduct.
A provincial election is scheduled for June 7 in Ontario.
In Nova Scotia Jamie Baillie was removed as leader of the PC party.
In a news release the party said that, "the PC Party does not, and will not, tolerate sexual harassment in the workplace."
Karla MacFarlane will immediately become the interim leader of the party in Nova Scotia.
None of the allegations have been proven.