coronavirus hotspots around the UK could be used to prevent the spread of the disease, said Number 10. Officials from Downing Street have confirmed that the measures would be considered to prevent a spike in new cases.The powers could even include shutting down transport networks.London Mayor Sadiq Khan said that it was “totally unacceptable” that the capital could be shut off from the rest of the country if there was a surge of new cases.However, Downing Street said that no plans for London had been drawn up yet.But, officials did say that measures which banned travel around England were one of the ways they could combat the spread of Covid-19.The statements came as tourists were slammed for not following social distancing measures in.