World War Three 'a risk', says UK defence chief

General Sir Nick Carter, the chief of UK's defence staff, says there is a 'risk' of another world war.

He said history 'has a rhythm' and some of today's regional conflicts could see 'see escalation lead to miscalculation' and then 'full-blown war'.

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Видео World War Three 'a risk', says UK defence chief канала Sky News