qaddafi had recruited fighters from sub - saharan africa .
battle rages on as rebels hunt qaddafi tunnels of qaddafi 's " underground city " revealed complete coverage : anger in the arab world with qaddafi still on the run and vowing to media caption the bbc 's john simpson reports on the ' last crimes ' of the gaddafi regime the united nations has called on all sides in the libyan conflict to take steps to ensure there are no acts of violence and revenge .
the effect of the fighting has libya rebels push on , bodies pile up ( cbs ap ) tripoli , libya - dozens of decomposing bodies were piled up friday in an abandoned hospital in tripoli , a grim testament to the chaos roiling the capital as libyan rebels clash with forces still loyal to muammar qaddafi .
tripoli , libya ( cnn ) -- as fighting continued friday in much of libya , regional organizations underscored the need to plan carefully and move quickly to speed the transition from crisis to democracy .
thursday saw gunfights erupting in the city 's abu salim district , one of the few remaining gaddafi holdouts in the capital .
the un has also agreed to release $ 1.5bn ( £ 1bn ) in libyan assets - which had been frozen under sanctions - to help with immediate humanitarian needs .
all agreed that the crisis in libya has entered a new and decisive phase , " he said . "
it comes as reports emerge of abuses and alleged summary killings by both rebels and troops loyal to col gaddafi .
the four - story hospital was in the abu salim neighborhood , which has seen some of the heaviest fighting this week , although the facility was empty and it could not be determined when the men had been killed .