A police officer guards a cordoned off area in the city center where former Russian intelligence officer Sergei Skripal and his daughter Yulia were found poisoned, in Salisbury, Britain, April 2018.

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A police officer is shown standing to the left of the photograph, wearing a fluorescent jacket guards a cordoned off area where former Russian intelligence officer Sergei Skripal and his daughter Yulia were found poisoned.
A police officer guards a cordoned off area in the city center where former Russian intelligence officer Sergei Skripal and his daughter Yulia were found poisoned, in Salisbury, Britain, April 2018.
Credit: Hannah McKay/Reuters