the time goes against vladimir putin. i think if he would be seen as the foetid that is the beginning of the end of the era of vladimir putin. i think if he would be seen as being defeated. two british fighters captured in ukraine by russian forces have appeared on russian state tv asking to be exchanged for a pro russian politician who is being held by the ukrainian authorities. it is not clear whether the two men, shaun pinner and aiden aslin, were speaking under duress. in the video, which we are not showing, one of the men, who says he is shaun pinner, says he was captured in the port of mariupol while fighting for the ukrainian marines. it s understood he is being held as a prisoner in donetsk in eastern ukraine. he s been in the ukrainian army for two years. his family have described him as funny, much loved, well intentioned , and said they re hoping for a quick resolution to the situation. the other man in the footage is believed to be aiden asling,