Date: April 2 2008
US President George W Bush has urged Nato allies to send more troops to Afghanistan ahead of the alliance's biggest-ever summit in Romania.
In a pre-summit speech in Bucharest, Mr Bush said "we cannot afford to lose Afghanistan... we must win".
Romania and France are due to send more troops and Mr Bush asked other nations "to step forward".
He also renewed calls for Nato membership to be open to any European democracy that sought it.
The Nato-led force in Afghanistan currently numbers 47,000 troops from 40 nations. Commanders have called for a further 10,000 soldiers to be deployed.
Nato allies want the Bucharest summit, starting later on Wednesday, to send the message that it will stay in Afghanistan for as long as necessary.
'Circle of freedom'
In a keynote speech hours before the two-day summit of the 26-nation alliance, Mr Bush
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