Around 50 firefighters are tackling a huge blaze at a plastic recycling plant in the Attercliffe area of Sheffield. It broke out at about 2.30pm at an industrial unit. A thick plume of black smoke can be seen as far away as Doncaster.
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Temperatures will reach around 28 Celsius (82F) at their highest.
A minute's silence will be observed at 11am on Thursday in remembrance of those who lost their lives in the Manchester Arena attack.
New research has found those who consumed two cups had a 35% reduced risk, and for those who drank five cups, the risk halved.