Prime Minister Boris Johnson has said "drastic action" now needs to be taken as he outlined new measures to try and combat coronavirus.
In the first of the Government's daily briefings, Mr Johnson said that "now is the time for everyone to stop non-essential contact and to stop all non-essential travel".
It comes as the number of coronavirus-related deaths in the UK rose to 53.
A total of 1,543 have tested positive for Covid-19 in the UK as of 9am Monday morning.
Mr Johnson said London appeared to be "a few weeks ahead" of other areas and urged people in the capital to pay special attention to the measures.
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