pepper spray on bass tones on protest is barricading pulse only apples w well f from twenty four sean bailey home has been reporting on events for us in hong kong. here's more from him on these violent episodes. an evening of chaotic scenes here at hong kong international airport it all started when that pro democracy protesters blocked access to immigration. for travellers wishingng to leae hong kong this led to most of the flighthts for the day to be suspended well after i they blocked access to the departures. there were other instances of violence within the terminal where protesters attacked two people first. a person who they thought was a police officer in disguised as a protester. that person had been had to be evacuated by police as well as in other person who they later found out was a global times journalist that's a state chinese state media. outlets hyundai apparently found in his backpack according to local media. a teacher that said i love hong kong police force this obviously led to a second mob attack and then another. police intervention well that police intervention then l

sean a peek fire. it is burning south of bailey about 37 acre so far. fire officials say it is burning in a remote area. the lost creek wilderness has 120,000 acres in the pike national forest. the forest service is leading the firefight. you can see a crowning and some of those pine trees getting going. a couple helicopters have been dispatch. one hotshot crew and multiple ground engine. no structures are threatened at this time. right now there is no cause of the fire.>>> silicon valley playing a major role in nasa's mission to return to the moon. some of the new technology that is transforming space travel.>> reporter: when it comes to building bases on the moon or even mars you could ship all of that building material up into space. but why would you want to? in my hand is simulated moon dirt. understand how this powdered rock combined with lightweight plastics from earth by a bay area company made in space and how it all just might advance the human race we have to go back to 2014.>>> after years of development made in space got a 3-d printer on bo