The President of US Mr. Barack Obama has called on Pakistan to investigate the network that sustained Osama Bin Laden in his hideout where he was killed last week.
The government in Islamabad had to find out if any of its officials knew of the al-Qaeda leader's Mr Obama told CBS show 60 Minutes whereabouts.
An Obama administration official said the US wanted to speak to Bin Laden's widows, who are in Pakistani custody.
Bin Laden was holed up in Abbottabad knowing this news Pakistan has denied.
