How a fight over weapons could help to drastically change the u. K. s political landscape. I am rob robin adams with all the sport. One story dominating all around the world pacquiaomayweather hours away from throwing their first punches in the fight of the century, we are live to las vegas for the latest. Thank you for joining us. We begin the news hour in syria where there are signs opposition fighters are making progress in their battle against Bashar Alassads forces. A coalition of rebel groups backed by turkey, qatar and saudi arabia. Has made gains against the government in Idlib Province. They say their next move is to capture a strategic city and determined to capture president is assads hot land but its still claiming civilian lives. Reporter medics wash the body of a man they say was exposed to chlorine gas. Syrian activists say government war planes dropped barrels containing the toxic gas on the town in Idlib Province. Its the seconds alleged chemical attack on the town thi