OTTAWA - A selection of quotes following Tuesday's vote in the House of Commons that will see Canada joining in a campaign of airstrikes against militants in Iraq:
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"It is imperative that we act with our allies to halt ISIL's spread in the region and reduce its capacity to launch terrorist attacks outside the region, including against Canada." Prime Minister Stephen Harper
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"We do not take this step lightly. The threat posed by ISIL is real. If left unchecked this terrorist organization will grow and grow quickly." Harper
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"The Conservatives are plunging Canada into a prolonged war without a credible plan to help victims of ISIL terror. They have also opened the door to Canadian involvement in Syria's bloody civil war." NDP Leader Tom Mulcair
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"It is impossible to have confidence in the judgment of a prime minister who sends Canada into an unclear mission for an unspecified period, in an undefined area, with uncertain utility." Mulcair
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"The members of the Canadian Armed Forces who will now go into harm's way have our full and unwavering support." Liberal Leader Justin Trudeau
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"The (Liberal Party of Canada) disagrees with (the) government on how Canada can best help confront threat of ISIL. Tonight we voted against motion to send our Forces to war." Trudeau
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"Canadians and Americans have fought alongside each other in several major conflicts over the past century, and we are grateful for Canada's further contribution against terrorism." White House statement.