Nigeria, May 7 -- Dozens of weary Malian soldiers sat in rows under armed guard as separatist fighters filmed them in northern Mali following last month's coordinated assaults across the country. Many of the soldiers were captured after the military position in Kidal was taken over by a joint force of separatists and jihadists.

In another footage, Al Jazeera's Nicolas Haque reported that several captives identified themselves as members of the Malian army, police and paramilitary forces.

The situation gave the clearest signs yet of the scale of the security crisis confronting Mali's military junta after simultaneous attacks by armed groups killed dozens of soldiers across the country.

According to the Al Jazeera report, around 130 Mali...