Media playback is unsupported on your device

Media captionRussian spy poisoning: Why was Sergei Skripal assaulted?

Was a third human involved in the Salisbury poisoning?

Reports have suggested that a human utilizing the name Sergey Fedotov could have been in the country and linked to the poisoning of Sergei and Yulia Skripal last March, in addition to two suspects already named.

British Police say they are still investigating whether further suspects involved here.

Fedotov's name first surfaced last October in reports from the Russian news outlet Fontanka.

The investigative site Bellingcat now say they believe his was a false identity made around 2010 with no previous history – a similar profile to the other two suspects named by police.

‘Third man' linked to Skripal poisoning Russian spy: What happened to the Skripals ? Image caption Sergei Skripal, 67, and his daughter Yulia survived the attack in Salisbury Why real-life spooks love spy dramas Image caption Alexander Mishkin and Anatoliy Chepiga are thought to have carried out the Salisbury attack The website behind the Skripal revelation How Bellingcat identified the second Skripal suspect Media captionThe two men suspected of poisoning Sergei Skripal and his daughter Yulia in Salisbury are insured strolling to the victims' home