MONTREAL—Quebec urged the federal government Tuesday to increase surveillance of returning travellers as the province confirmed its first case of a more contagious COVID-19 variant that was first identified in the United Kingdom. Health Minister Christian Dube said his government wants Ottawa to require that returning international travellers obtain a negative COVID-19 test result before they board a plane home. Dube said he also wants more rapid tests administered at Quebec’s international airports. His most urgent request, he said, is for the federal government to increase in-person visits to make sure travellers who return home are following the mandatory two-week isolation period. Dube spoke hours after Quebec became the fourth Canadian province to confirm a case of a new and more contagious strain of COVID-19. He said the person who tested positive is related to someone who returned from the U.K. on Dec. 11. The Health Department said the traveller …