Seven UN workers were among the dead after a protest over the burning of a Quran in Florida descended into mob violence.

Hundreds of people marched on a UN compound in Mazar-e-Sharif and attempted to seize guards' weapons.

Al Jazeera's Hashem Ahelbarra reports from Kabul on the increased tensions which have followed the publication of photos showing US soldiers posing with the bodies of dead Afghans.