dominick kane, al jazerra. >> kenya's president says he won't attend next week's united nations generalembly in new york. he says he cannot be out of the country at the same time as his deputy president. he is on trial at the international criminal court in the netherland on charges of crimes against humanity relating to the 2007 post election violence. he is also due to stand trial in november on similar charges. namibia is in the grip of its worst drought in 25 years, the united nations says nearly a million people are affected. tanya paige has a report from the one of the hardest hit areas. >> reporter: hshe is 18 months old but only wa weighs sill gras should be nine and a half. rachel first bought her to the hospital in march when she was admitted and put on weight. but the draught means there is no food at home. so she's back. >> the skin of my baby has lots of rashes. and she's feverish. we have no crops because it's too dry. and not enough money to buy food. i feel very bad for her. >> reporter: this is the worst draught in 30 years. the government has declared a state of emerge

dominick kane, al jazerra. >> kenya's government is facing questions over whether it ignored securitys leading up to the siege on the shopping mall. security agencies were told that an attack was imminent. >> reporter: another reminders of the trauma actual these new images show how the police, many of them off doubt had i to treat the crowds, including children, with suspicion. then this. a grenade blast causing even more panic. it's now a week since this well-planned attack was mounted and there is another crisis for kenya's leadership. it's accused of failing to act on intelligence reports warning of the attack. and its army may have botched an attempt to rescue the hostages. unlike these shoppers, most of them didn't come out alive. and now, the revelation that this tunnel connected to storm drains in the mall may have been used by some or all of the remaining attackers to escape. al jazerra tracked it more than 800 meeters to this points, well beyond the security ca yeah. they were researching whether the collapse was because of the attackers or the forces. the forced didn't know