The Lib Dem MP Julian Huppert has tweeted that the Queen guitarist Brian May is in the Commons to hear the Environment Secretary's statement on delaying the badger cull.
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Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.
Windy this weekend with gales across northwestern parts of the UK. Rain spreading southeast.
Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."