William Hague has told ITV News that under the current circumstances, the Government is "not planning, contemplating, or having meetings about Britain taking military action in Iraq."
He said that moves are being made to try to persuade Iraqi leaders to work together, provide aid and expertise, but "none of that means British soldiers going to Iraq".
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With temperatures peaking at 29C today, it is the hottest April day for nearly 70 years.
Decontamination work is to begin at nine sites across the city.