his name is sala abdalam. he is 26 years old, born hear in brussels although he is thought to have french nationality and as i think we heard jackie a short while ago mentioning "the washington post" reporting that he and his brother, ibrahim were involved in the attack. ibrahim, it is believed, was one of those who died while carrying out the attack and sala, it appears, is still on the run. i am told that there is an ongoing police operation, a police search operation, here in brussels tonight, very abreastive efforts are being made to trace this man. as i say, he is described by the police as extremely dangerous and the wanted poster that's been circulated tells people not to try to approach him on their own but to call the emergency emergency >> we're in the eastern part of the democratic republic of congo. it's one of the least developed countries in the world, but there's an estimated $24 trillion worth of minerals here. tantalum, tungsten, tin, and gold have all been linked to violence in eastern congo