NBC News' Ayman Moyheldin reports that the situation is unlikely to calm down in Egypt, describing the "sense of chaos" that has gripped the country.
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The 20-year-old died after being chased by police and apprehended in a shop in Hackney, east London.
A bright start but cloud will soon bubble up to bring sunny spells and showers for many, possibly heavy at times.
It follows reports the US president is considering presidential pardons for his family, aides and even himself.