Royal Navy warships have set sail for the Mediterranean as part of a naval exercise which will see the frigate HMS Westminster dock in Gibraltar amid the diplomatic tensions with Spain.
Defence officials have stressed the deployment has long been scheduled and is unrelated to the ongoing issue over the British territory.
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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.