Roman Abramovich is no stranger to the threat of a poison attack and previously introduced strict measures at Chelsea to protect himself - including a ban on outside catering at Stamford Bridge.
The oligarch, 55, has reportedly been suffering with the symptoms of a suspected poisoning after taking part in peace talks between Russia and Ukraine. He and at least two senior Ukrainian delegates are understood to have experienced irritated eyes and peeling skin after meeting in Kyiv at the start of March.
Investigators were unable to get to the bottom of what caused the symptoms - which emerged shortly after Abramovich and other negotiators ate chocolate and drank water - but they mirror those caused by certain poisons. The suspected attack has been pinned on Russian hard-liners attempting to sabotage peace talks.
