Boris Johnson's senior adviser refuses to apologise for lockdown breach – as it happened

Dominic Cummings will not resign; WHO drops hydroxychloroquine from global study into experimental coronavirus treatments. This blog is now closed

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The White House on Monday issued a statement amending the timing of the start of new restrictions on travel from Brazil to the United States to 11.59pm Eastern Time on Tuesday, 26 May.

The White House announced on Sunday that it was restricting travel from Brazil to the United States, two days after the South American nation became the world's No. 2 hotspot for coronavirus cases.

In its original announcement, it said the restrictions would come into force on 28 May.