Members of a Ukrainian group negotiating for peace have been taken ill with suspected poisoning - including Chelsea owner Roman Abramovich.
Earlier this month, Abramovich and two other senior Ukrainian officials were attending talks in Kyiv, Moscow and other venues.
But after a meeting in Kyiv, the trio developed red eyes, constant painful tearing and skin peeling on their faces and hands, according to the Wall Street Journal.
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Their conditions have improved and their lives aren't in danger and it is unclear as to what caused the symptons, the publication reports.
The WSJ add that the group blamed the suspected attack on hard-liners in Moscow who they said wanted to sabotage talks to end the war.
A person close to Mr. Abramovich said it wasn’t clear who had targeted the group, or how it happened.
Western experts have looked into the incident and state that it was hard to determine whether the symptoms were caused by a chemical or biological agent or by some sort of electromagnetic-radiation attack, the WSJ conclude.
The Russian invasion of Ukraine has lasted over a month, with millions of people being forced to flee their home as airstrikes rain down amid fighting on the streets.
Vladimir Putin has refused to pull back his troops, while Ukraine leader Volodymyr Zelenskyy has constantly said that there will be no surrenders from his army in defence of their cities.
Russia is set to restrict entry for citizens that come from 'unfriendly countries' as part of a retaliation against further sanctions.
Vladimir Putin's illegal invasion of Ukraine has entered a 33rd day, with the EU, UK and US all set to bring in further financial penalties against him and his country in the next few days.
Already, we've seen a number of moves made by the superpowers, with the cost of food, gas, oil and other imports rising as a result of the punishments.
Read more: Timeline of Russia Ukraine war so far - from Irish sea exercises to destruction of cities