thousands concerned at the unhygenic conditions. more than 6,000 people are confirmed dead bodies buried on the rubble >>> police in baltimore have completed their investigation into the death of freddie gray a black man who suffered a fatal spinal injury. for now the results are confidential. demonstrations have been held around the u.s. with over 1,000 people marching in philadelphia. u.s. warned of sanctions against violence in burundi. as protests agant the president continued for a sixth day. anti-government protesters rallied against a decision for the president to run for another turn >>> aden has seen some of the fiercest fighting. saudi arabia says dozens of houthis fighters have been killed. fouring north -- further north there was an attack on a border post. >> fight has been made in idlib. the government retaliated with barrel bombs. the pictures are from bench city in north-west idlib. a new alliance of rebel groups including al nusra front gained ground in the province. >> now. ethnic groups are meeting to discuss a ce