Heathrow has called for Border Force to provide more staff to stop a repeat of queues of up to five hours at the airport, while Boris Johnson faces a rebellion from returning MPs.
There are also fears the return to school of millions of pupils in the UK this week could cause another surge in Covid-19 cases.
While UK hotels are reported to be struggling with the supply of clean linen due to a staycation boom and a lack of staff.
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