omarion evanston it's good to have you with us we begin in tunisia where people are voting today in snap presidential elections ballot boxes and security personnel have been transported across the country ahead of the vote which was brought forward from november after the death of the last president to $72.00 dozen candidates are taking part in today's poll including representatives from the moderate islamist and not up party. for more we're joined now by journalists our america she was in the tunisian capital hello to you sara so today's election to choose the country's 2nd ever president since the arab spring and 2011 is being called historic why is that. well tunisia has a late considerable progress since 20 locking up pricing dumps it in the constitution and 24 teams. basically the only country in the region of the circle of arab spring countries that have managed to navigate through very difficult situations been political lesson it assassinations and 2030 in the terror attacks on terrorists and frantic that scene and to recent that president and inside of the country relatively sta

omarion evanston it's good to have you with us. we begin hong kong where pro-democracy protesters have defied a police ban and taken to the streets once again police reportedly had to break up some protesters with water cannon and tear gas thousands are still marching through a downtown hong kong shopping district some demonstrators carried american flags calling for international support in their pro democracy campaign earlier hundreds of people gathered outside the british consulate to appeal for help from hong kong's former colonial ruler they're calling on the u.k. to put pressure on beijing to offer hold hong kong's otani under the one country 2 systems agreement. correspondent he is building a is in hong kong and he joins us now for the latest so materials we have been seeing some very dramatic scenes of violence water cannon tear gas what is happening now in the city. yet the protesters have occupied the roads around the government buildings and that's just the church to have done this many times these some are police cars w

doc film looks at how global warming may be opening up the arctic and reviving old rivalries omarion evanston i'll be back with more news at the top of the hour hope you join us for that. language courses. video. anytime anywhere.

omarion evanston it's good to have you with us a long awaited exchange of prisoners between russia and ukraine has taken place the swap is being viewed as a step towards easing tensions between the neighboring countries and could also increase the chances of resolving the conflict in eastern ukraine 5 years of fighting between a troops and russian backed separatists has left more than 13000 people dead. their 1st steps of freedom back on home soil 35 former prisoners arriving in kiev. a handshake from the president is nothing compared to the embrace of a loved one. some had been separated for months others for years never knowing what would come next also the knowledge status kept on changing we heard that the prisoner swap was going to fall through. the end of august was a difficult time i couldn't sleep for 5 days. they only told us today at 4 in the morning that we should pack and someone would pick us up all the time before the flight just crawled ukraine's president the lot of me is alinsky looked on as his campaign promise became a reality it's the 1st move he says towards ending

omarion evanston it's good to have you with us a pro-democracy protests in hong kong has been disrupted by counter demonstrators waving chinese flags the senate at a mall in the chinese territory became the scene of violent clashes when pro beijing activists confronted the demonstrators i this is just one of several protests planned for today on kong is in its 4th month the pro-democracy protests they were initially launched to pose a controversial extradition bill but have since why haven't to demand free elections and especially administering territory. correspondent mathias bearing a is following events at the scene in hong kong and he joins us now by t.s. what is going on where you are. i mean this shopping mall today the probe aging staged a protest people turned up with chinese flags chanting the chinese national anthem at the same time pro-democracy protesters showed up they came into the mall both sides faced each other trying to push each other to the side down there now just now the police was there they have left they are coming in and out on the 2 pounds off a seeing each ot

doc film looks at how global warming may be opening up the arctic and reviving old rivalries omarion evanston i'll be back with more news at the top of the hour hope you join us then. language courses. any time. w.b. . the arctic is often described as a vast expanse of eternal ice but in some parts of the region that's no longer the case. this is alice muir island in the canadian arctic. this strip of coastline was once covered with ice but the nearby glaciers are melting so we can see more and more of the land that lies beneath them. some researchers predict starting in 2050 the arctic will be ice free in summer so what will happen to the region is all that ice melts. almost for me to rise should she look. the arctic helps to determine the climate for a much wider area including parts of the us due to climate change due to the ice receiving . the wall maps in retreat to the arctic in the center. that will cause massive changes here and in other parts of the world. i think. the biggest challenge facing the whole in the future. a challenge or an opportunity. during the summer after the ice has