Police have just announced that the number of arrests at this year's Notting Hill Carnival has risen to 111.
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Figures show there were 15,546 knife crime offences in London in 2019 compared to 14,680 the previous year.
In one location, Churchill Park in Islington, north London, eight knives were found hidden during three weapons sweeps.
A travel ban has been put in place in the Chinese city of Wuhan to try and stop the spread of the potentially deadly coronavirus.