17 May 2011 Last updated at 08:38 ET
Bin Laden killing 'may set precedent' MPs are told
The US has insisted the action was lawful
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Osama Bin Laden's death may come to be seen as a precedent for "targeted killings" by states in the future, a report written for MPs has suggested.
link-
http://www.bbc.co.uk/news/uk-politics-13424843