Ukraine fired a volley of British Storm Shadow cruise missiles into Russia on Wednesday, the latest new Western weapon it has been permitted to use on Russian targets a day after it fired U.S. ATACMS missiles.

The strikes were widely reported by Russian war correspondents on Telegram and confirmed by an official on condition of anonymity. A spokesperson for Ukraine¡¯s General Staff said he had no information.

Moscow has said the use of Western weapons to strike Russian territory far from the border would be a major escalation in the conflict. Kyiv says it needs the capability to defend itself by hitting Russian rear bases used to support Moscow¡¯s invasion, which entered its 1,000th day this week.