The former UN Secretary General Kofi Annan has said "cool heads and sober judgement" are needed to tackle the world's conflicts.
Speaking before the US, UK and French air strikes in Syria, he told Hardtalk's Zeinab Badawi: "We cannot allow situations where leaders threaten war on television or on Twitter."
He said the world had become "particularly messy" and he did not see the strong leaders around who could cope with the problems.
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