egypt. many are seeing the increased radicalization of attacks like this in what should be very safe parts of the capitol. >> thank you. in china where the government frequently down plays health concerns a startling announcement. poisonous sodium cyanide is at mind boggling levels at the site of the explosion. those levels are sky high, more than 350 times the safe limits. the blast at a chemical storage plant killing at least 114 people and damaging or destroying 17,000 homes. a top health official with the united nations issued scathing criticism of china's government saying it withheld information that may have prevented the blast. and the tight lipped handling of the aftermath has only increased the number of victims. tensions high on the streets