The United Nations is warning that the Middle East is on the brink of imminent catastrophe, with fears of escalation into an all-out war.

Israel and the Hezbollah militia-group in Lebanon have continued to exchange fire across the border. Hezbollah, which is backed by Iran, launched more than 100 rockets into Israel in retaliation for the attacks in Lebanon using exploding pagers and radio handsets, which killed dozens and injured hundreds more. Israel struck targets in northern Lebanon, saying it had destroyed thousands of rocket launch sites.

Reeta Chakrabarti presents BBC News at Ten reporting by Orla Guerin in Beirut and Jeremy Bowen in Jerusalem.

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