"I cannot accept seeing the city that I love dragged into contempt, stagnation and corruption. I think Montrealers no longer recognize their city and its administration. I think Montrealers are stronger than partisan politics," said Joly.
The 34-year-old Joly resigned from the public relations firm Cohn & Wolfe few weeks ago to begin her mayoral campaign.
Joly says she believes Applebaum should resign as mayor.