Russia used North Korean short-range ballistic missiles to strike a key Ukrainian energy facility on Saturday, according to Ukrainian President Volodymyr Zelensky, appealing to allies for more interceptor missiles.

“According to preliminary findings, at one of the key energy facilities that was damaged, the Russians used KN-23 missiles manufactured and supplied by North Korea,” he wrote in a social media post, calling it further proof that international sanctions must be strengthened.

Zelensky has repeatedly accusedRussia of firing “North Korean ballistic missiles” at Ukrainian facilities and civilians, but he did not name the model in those statements. Ukraine’s military