In this special edition of Newsdesk, we look at how the world will react to a new crisis in its most volatile region.
We hear from Hamid Khan of the Pakistan high commission in London, who says the implications of the assassination of Benazir Bhutto are grave.
The Guardian's diplomatic editor, Julian Borger, says western leaders have been left scrabbling for a strategy - Benazir was their only hope to bring legitimacy to their beleaguered ally in Pakistan, President Pervez Musharraf.
And the Observer's Jason Burke, who has met Benazir Bhutto on numerous occasions, looks at her legacy.
