abc's ian pannell has new details and a look at that video. >> reporter: caught on camerais the two prime suspects identified by the names alexander petrov and ruslan boshirov arriving on a flight from russia. e ta they say ex-russian spy sergei skripal. the poison allegedly delivered using this perfume bottle. on the day of the attack the two men traveling to salisbury by train filmed repeatedly around town seen smiling after allegedly putting poison on the front door of their home. the former spy and his daughter later found slumped on this bench. the british prime minister blaming russia. >> the two individuals named by the police and cps are officers from the russian military intelligence service. >> reporter: the two men last seen the night of the attack at heathrow airport bound on a flight to moscow. the russian government is dismissing these claims but british intelligence and police using cameras at this station and elsewhere to build their case have now issued an arrest warrant. the plot thickens. ian pannell, abc news, at waterloo station, loon>>> gwyne company goop has agreed

ian pannell has the detail. >> reporter: caught on camera. british investigators identify the two.ard, on a mission to kill with a deadly nerve agent, novichok. the target, sergei skripal. the poison allegedly delivered using this perfume bottle. the two men traveling by train, filmed repeatedly around town, seen smiling after allegedly putting poison from the bottle on the front door of the skripal home. the former spy and his daughter later found slumped on this bench. >> the two individuals named by the police and cps are officers from the russian military intelligence service. >> reporter: the two men last seen the night of the attack at heathrow airport bound on a flight to moscow. the russian government dismissing these claims, but british police using cameras at this station and elsewhere to build their case have now issued an arrest warrant. the plot thickens. ian pannell, abc news, at waterloo station london. >>> kim kardashian west made another visit to the white house. the reality star joined a group including ivanka trump and jared kushner to talk about prison reform. s

and ian pannell is on the scene in salisbury, england. good morning. geor. that's ght, autries he ar charging two with an attempted murder of an ex-russian agent who used to live at this house at the end of a quiet street pointing the finger at the two belonging to the elite russian military intelligence agency. and they're showing images, they say, proves it. this morning, britain caught up in a real-life spy thriller. authorities identifying these two men as russian assassins responsible, they say, for the attempted murder of ex-russian spy sergei skripal last spring. >> only russia had the technical means, operational experience and motive to carry out the attack. >> reporter: police revealing these surveillance images showing the alleged russian agents at gatwick airport after traveling from moscow using what they think are aliases. alexander petrov and ruslan boshirov, the men police say likely smuggled this perfume bottle into britain filled with a deadly soviet-era nerve agent known as novichok. the suspects then making their way here to salisbury thr