A former US defence secretary has warned that cuts to the UK's armed forces will limit its ability to act as a major world player.
Robert Gates said the halt on spending would see the UK longer maintaining its status as a full US military partner.
Mr Gates told BBC Radio 4's Today programme: "With the fairly substantial reductions in defence spending in Great Britain, what we're finding is that it won't have full spectrum capabilities and the ability to be a full partner as they have been in the past."
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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."