clipped from: news.bbc.co.uk   
Annan sees US 'trapped' in Iraq
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A young boy was said to be among those who died in a US raid
The US is effectively "trapped" in Iraq, with the prospect of staying in the country as problematic as pulling out, the head of the UN has said.
Kofi Annan said the timing of a US withdrawal must be "optimal" so as not to create even greater chaos in Iraq.