OTTAWA — Federal Transport Minister Steven MacKinnon says Quebec’s support is essential to build Canada’s first high-speed rail line, after the province’s separatist party said it would drop out of the Alto megaproject if it takes power in this fall’s high-stakes election.

“Let’s be clear, there is no Alto project without Quebec,” MacKinnon said in French, referring to the Crown corporation overseeing plans for a new high-speed rail line from Toronto to Quebec City.

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