Durham, Ont. Byelection to Take Place March 4 After Seat Vacated by O'Toole

Erin O'Toole appears as a witness at a standing committee on Parliament Hill in Ottawa, on Oct. 26, 2023. The Canadian Press/Sean Kilpatrick

A federal byelection will be held in the Conservative stronghold of Durham, Ont. on March 4 to fill the seat left vacant by Erin O'Toole last spring.

The former Conservative leader served as official Opposition leader from August 2020 until February 2022 and was first elected as a member of Parliament in 2012.