Reports of Russian drone dropping chemical
Foreign intelligence sources are trying to verify reports of a possible use of chemical agents in Ukraine.
The unconfirmed claims have been made by a single group of Ukrainian paramilitaries in Mariupol, noting a Russian drone dropped a poisonous chemical - although no one was harmed.
Ireland's Foreign Affairs Minister Simon Coveney says it's very concerning and "urgent verification of facts " is needed by our international partners.
The Penatagon has described the claims as "deeply concerning".
British Armed forces minister, James Heappey, says any use of chemical weapons by Russia would be "beyond the pale":
Sky's Deborah Haynes in Kyiv says the reports remain unconfirmed - but if proven would be highly significant:
