our very own harry gration, amy garcia and paul hudson from bbc look north in leeds have had to cancel challenge for sport relief, which will continue at a later date. amy canjoin amy can join us amy canjoin us now. i am pleased to say from the wants of our will is newsroom. tell us, how bad is it there and why you have had to cancel? iam in cancel? iamina cancel? i am in a warm cancel? i am in a warm newsroom cancel? i am in a warm newsroom but i was hoping to be in subzero temperatures polling a red sofa today. we, like the rest of the country come have had a lot of snow particularly in the early evening yesterday. there isa the early evening yesterday. there is a good three or four inches in west yorkshire, the route that we we re west yorkshire, the route that we were going to be pulling the sofa. the decision was made that it was just too dangerous to do that. we have postponed a four off our sofa talent. we will be revisiting their route at some point. the decision was made better date was not safe enough. we're hoping to carry on day five of our challenge tomorrow, we need to se

our very own harry gration, amy garcia and paul hudson from bbc look north in leeds have had to cancelsofa challenge for sport relief. the time is five past mid—day. experts from the organisation for the prohibition of chemical weapons will arrive in the uk tomorrow to test samples of the nerve agent used in the salisbury spy poisoning. it comes as the war of words between moscow and the uk continues. the russian ambassador to the eu, vladimir chizhov has suggested that the uk's own research laboratory in wiltshire could be the source of the nerve agent used in the poisoning of sergei skripal and his daughter yulia. the foreign office has called the russian account "absolute nonsense". here's our diplomatic correspondent, james robbins. two weeks after the chemical attack on sergei and yulia skripal, ambassador chizhov said there were no stockpiles whatsoever of nerve agents left in russia. but then in an interview with andrew marr he went a bit further. asked how the chemical weapon came to be used in salisbury, mr chizhov suggested... when you have the nerve agent or whatever, you ch