The General Staff of Ukraine’s Armed Forces said on Sunday that Russia has deployed Iskander-M mobile battlefield missile launchers within 60 km (40 miles) of the Ukrainian border.

In its daily morning update, the Ukrainian Armed Forces said, “Then enemy has increased the number of troops in the Belgorod region by transferring and concentrating additional units.”

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“According to available information, Iskander-M launchers have been deployed 60 km from the border with Ukraine,” it said, without providing more detail on the location of the systems.

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Reuters reported that could not immediately to verify the reports. There was no immediate reaction from Moscow to the reports.

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Belgorod is a city and the administrative centre of Russia’s Belgorod region, north of the border with Ukraine.

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The Iskander, a mobile ballistic missile system codenamed SS-26 Stone by NATO, replaced the Soviet Scud missile. Its two guided missiles have a range of up to 500 km (300 miles) and can carry conventional or nuclear warheads.

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On Friday, Russia said it wanted to control all of southern Ukraine. Kyiv said this showed Moscow had wider goals than its declared aim of demilitarising and “denazifying” the country.

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Ukraine and the West call the invasion, now in its third month, an unjustified war of aggression.