Dozens of people are still captive inside a shopping mall in the Kenyan capital.<br /><br />The gunmen holding them there have already killed at least 39 people.<br /><br />The army and police have the place surrounded even as the government is being warned to respect international law.<br /><br />The Somalia-based armed group Al Shabab says it is behind the attack that began at midday on Saturday.<br /><br />The group says it will not negotiate with authorities over the release of hostages.<br /><br />Al Jazeera's Peter Greste reports from Nairobi.<br /><br />Full story: http://aje.me/16hgWss
