. >> let's bring in kim mcquay, a a representative of a think tank in the united states. kim thanks for being with us. lots of speculation at this stage as to who may be behind this bombing. the government has ruled out links to the insurgency in the south. this was a very public, very bold attack that was meant to send out a strong message. what do you think that message was? >> i think it could be a combination of things, in an effort to embarrass the government, to notwithstanding losing some power from 2014, could still be shane by an event of this kind. so those would be amongst the motivations that one could imagine. >> prior to this the military government had been under pressure to hold elections and to return the country to civilian rule. with this latest violence do you see this pressure from pro-democracy groups easing? >> i think that this will add to the pressure on the government to a certain degree. there will be a number of things that will be happening. people will be watching the government very carefully and with expectations to see how diligently the go

thanks to kim mcquay, the country representative for the asia foundation.ime today. >>> china is investigating the director of the work safety agency following last week's deadly chemical explosion in tianjin. >> authorities are working to clean up the toxins left behind. will ripley reports on the challenges they face. >> reporter: right now several thousand people are on the ground working to clean up the chemical disaster unfolding here. you can see the crews behind me. they had to throw out the hazmat suits they were wearing and they changed into these new yellow suits because they were contaminated with sodium cyanide. they have detected and collected that deadly toxin and other deadly chemicals in this area. we are a half a mile from the blast site and the chemicals that they found, they have deposited in this truck. you can see they have the storage containers to secure it safely and ship it to an area where it can be contained and away from the public. keep in mind we are standing just across the street from thousands of apartments where people are