he personally ordered the liquidation of an enemy bent on exposing him and his cronies. >> alexander litvenenko was a former kdgb man who fled russia. in 2003 he was cooperated with british m mi6. two russians would meet with litvenenko and scientists would find a trail of radioactivity in their hotel and meeting places. litvenenko met with them again and drank a fatal dose in a cup of tea. three weeks later he was dead. now they sit in the russian government receiving praise. >> the assassination has left an undeniable mark on international relationship. >> the conclusions of the litveneko inquiry is due to be published, but the accusations by the man himself are in public domain some of them in this book that he coauthored and russia has called litvenenko and his friends as liars. >> prime minister cameron said that sniffer dogs and fence also be sent to calais to help france deal with the worsening migrants crisis there. thousand try to reach england through the channel tunnel. barnaby phillips reports. >> they got through. migrants cling to the top of a lorrie as it drives away from the tun

. >> doctors treated be alexander litvenenko were missified by his symptoms. when it was analyzed, the full enormity of his condition was revealed. he ingested the rare radioactive element polonium 210. the task of the inquiry has been to establish how and why he was poisoned with such a rare and specialized iso open to. he was a former k.g.b. man who had become a critic of vladimir putin's presidency. he was cooperating with the british intelligence service. evidence of international espionage and ve renting occurred. >> his public attacks on the regime and on that mr. putin in particular could have had any connection with his death. >> the evidence is focused on the involvement of these two russians. the pair traveled to london more than once to meet litvenenko. he met them and drank the fatal dose in a cup of tea. three weeks later, he was dead. one man was honored by the kremlin and now sits in the russian parliament. >> we suggest that the evidence is clear. alexander litvenenko was murdered by the ingestion of polonium 210 on the 16th of october, 2006, a

. >> doctors treating alexander litvenenko were mystified by his symptoms. ly when samples were analyzed was the enormity of his condition revealed. he had ingested plunoium 210. the inquiry is to find out how and why litvenenko was poisoned. >> all of this evidence is viewed in the round that it must be. it establishes russian state responsibility for mr. litvenenko's murder without a doubt. and if the russian state is responsible, vladimir putin is responsible. not some vicarious liability principles but because he personally ordered the liquidation of an enemy bent on exposing him and his cronies. >> litvenenko, a kgb man who fled russia in 2000. evidence is focused on two russian agents, the pair traveled to london more than once to meet with litvenenko. scientists found a trail of radiotivety at their hotels. litvenenko met them again and drank the fatal dose in a cup of tea. three weeks later he was dead. now they sit in the russian parliament receiving an honor from president putin in march. >> he will be remembered for years to come. >> the conclusion