Powell admits being wrong on mobile labs
Powell admission on Iraq 'labs'
There is still no sign of WMD in Iraq
US Secretary of State Colin Powell has admitted that evidence he submitted to the United Nations to justify war on Iraq may have been wrong.
In February last year he told the UN Security Council that a pair of mobile trailers spotted in Iraq were designed for making biological weapons.
On Friday he conceded that information did not now appear to be "solid".
The claim failed to persuade the Security Council to back the war, but helped sway US public opinion.
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