TORONTO, June 12 (Reuters) - The Canadian Broadcasting Corporation projected a fourth straight Liberal victory in Ontario's election on Thursday, but said it was too early to say whether the party would win a majority of seats in the province's legislature.

Only days before the election in Canada's most populous province, polls had shown a dead heat between Premier Kathleen Wynne's left-leaning Liberal government and the austerity-minded Conservative opposition.

(Reporting by Allison Martell; Editing by Eric Walsh)