Temporary Detective Chief Superintendent Gordon Lang said double murder suspect James Allen was arrested "after a short foot race" in South Leeds this morning.
Mr Lang added that the police are still looking for information.
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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."