KYIV, Ukraine (AP) — Ukrainian President Volodymyr Zelenskyy said Thursday that Kyiv troops have full control of the Russian town of Sudzha in the Kursk region in their incursion into Russian territory.

The town, the largest that Ukraine has reportedly seized so far, had a prewar population of around 5,000 people. Natural gas flows from West Siberian gas fields through pipes that pass through Sudzha and cross the Ukrainian border into Ukraine’s system.

Zelenskyy said a Ukrainian military commander’s office is being set up in Sudzha. He didn’t elaborate on the details or the functions of the office.

The claims couldn’t be independently verified.