Blue star Lee Ryan has pleaded guilty to failing to provide a specimen and to criminal damage.
He was supported by his fellow band members at Ealing Magistrates' Court in west London.
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As disruption continues throughout the evening here's what you need to know
Fallen trees, damaged power lines and emergency speed limits were today causing chaos for rail passengers.
They will be supported by artists including Zara Larsson, G-Eazy, Wiley, Sean Paul, WizKid and an exclusive set from Bryson Tiller.