Novichok delivered in liquid form to poison Sergei and Yulia Skripal

Salisbury spy poisoning Sergei Skripal house Christie Miller Road Closed

12:11pm 17th April 2018
(Updated 1:21pm 17th April 2018)

Sergei and Yulia Skripal were poisoned with a liquid form of novichok.

In a press conference, Defra announced today (Tuesday 17th April) that the nerve agent that was found on the Skripals' front door was also invisible to the naked eye.

Environment officials revealed a "very small amount” of the nerve agent was used in the attack and that the highest concentration was found at the former Russian spy's home in Christie Miller Road.

Defra have also said that the nerve agent cannot be removed unless it is 'chemically cleaned', with water just diluting any contamination.

The substance also doesn't evaporate.


Officials do know how to get rid of the novichok and a huge decontamination operation is now getting underway.

All nine sites that are involved in the investigation are known to have some form of contamination, particularly those indoors.

The indoor sites have been found to have a higher concentration of the nerve agent.

It's hoped all of the decontamination work will be completed by the end of 2018.


Work within the cordoned area in The Maltings will include detailed work close to the bench where Sergei and Yulia Skripal were found unwell more than six weeks ago.

We're told the turf and brickwork surrounding that site will be removed, to be sure that all traces of the nerve agent have been cleared.

Defra say they want to make sure the decontamination is carried out in the 'least destructive way possible' and they 'hope not to have to knock anything down'.

It's been confirmed that there's no contamination at the Maltings play park, which has been within the cordon since the incident took place.

All items of 'toxic waste' will be incinerated.

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