OTTAWA - Liberal MPs insist there are no divisions emerging within their party following Culture Minister Steven Guilbeault's resignation from cabinet over Ottawa's new pact with Alberta on a possible future pipeline.

Sean Casey said there's lots of room in the Liberal caucus for different opinions and he has "absolutely no concerns" about party unity.

"We're absolutely unified," the MP for Charlottetown told reporters on Parliament Hill Friday morning.

He said Guilbeault had dedicated his life to advocating for climate action, so it's completely understandable that he would stand his ground on his principles.

"Does it mean there's a cancer spreading through the caucus? Absolutely not," Casey said.

Liberal MP Peter Fragiskatos of London, Ont., simply said the party remains "quite unif

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