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| Spy poisoning: Highest amount of nerve agent was on door | Spy poisoning: Highest amount of nerve agent was on door |
| (35 minutes later) | |
| A Russian ex-spy and his daughter, who were poisoned by a nerve agent, first came into contact with the substance at their home, police have said. | A Russian ex-spy and his daughter, who were poisoned by a nerve agent, first came into contact with the substance at their home, police have said. |
| Sergei Skripal and his daughter Yulia were found collapsed on a bench in Salisbury on 4 March and remain in a critical condition in hospital. | Sergei Skripal and his daughter Yulia were found collapsed on a bench in Salisbury on 4 March and remain in a critical condition in hospital. |
| Counter terrorism police said their efforts were focussed around the Skripal's address in the city. | Counter terrorism police said their efforts were focussed around the Skripal's address in the city. |
| The risk to neighbours living near the Skripal's remains low. | The risk to neighbours living near the Skripal's remains low. |
| Specialists identified the highest concentration of the nerve agent, to date, at the front door of the Skripal's house, police said in a statement. | |
| The Metropolitan Police said it wanted to reassure the public that searches around the Skripal's neighbourhood were precautionary. | |
| About 250 counter terrorism officers continue to work on the case. | |
| Forensic work at shops and at a cemetery in Salisbury is drawing to a close. | |
| The Maltings shopping centre, the Ashley Wood compound, and the London Road cemetery have been handed back to Wiltshire Police from the national counter terrorism investigation, Deputy Chief Constable Paul Mills said. | |
| Prime Minister Theresa May has said the chemical used in the attack was part of a group of nerve agents developed by Russia known as Novichok. | |
| The prime minister has said there was "no alternative conclusion other than that the Russian state was culpable," in the attack, and she has expelled 23 Russian diplomats from the UK. | |
| As a result over 20 countries, including the US and European allies, are expelling more than 100 diplomats. | |
| The Russian government has denied any involvement in the attack and has vowed to retaliate to the "provocative gesture". |