direct to your inboxManchester Airport has issued a warning to travellers as several countries ban UK flights following news of the new mutant strain of coronavirus.Canada is the latest country to ban UK flights from entering its airspace for 72 hours from Sunday amid fears about the spread of the new Covid-19 variant.Manchester Airport remains open, but bosses have warned that many flights are “subject to short notice change or cancellation”.Passengers are being advised to check with airlines