Obese people could reportedly be told to stay at home in the event of a second coronavirus wave.

Over 50s would also be included in a “more sophisticated model” of lockdown, the Sunday Telegraph reported.

It comes as Boris Johnson spoke of a “moral duty” to get all children back in school amid indications he would force pubs, restaurants and shops to close in the event of severe coronavirus flare-ups.

The prime minister is understood to favour only closing schools as a last resort after scientific advisers warned more restrictions may be needed to reopen classrooms in England next month.

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