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Government House leader Peter Van Loan was involved in a heated exchange with NDP House leader Nathan Cullen and Opposition Leader Tom Mulcair Wednesday that saw other MPs step in to restore order.

Dust-up in the House of Commons

Government House Leader Peter Van Loan was involved in a heated exchange

with NDP House Leader Nathan Cullen in the House of Commons Wednesday. Opposition Leader Tom Mulcair was quick to defend Cullen, who seemed to irk Van Loan during a House discussion on the omnibus budget bill.