Serhiy Melnyk, the head of the Kharkiv military garrison, reported this on Telegram, according to Ukrinform.
"The enemy used S-300 missile system to strike Kharkiv region. Information about possible destruction and victims is being established," Melnyk wrote.
The threat of repeated strikes remains.
Head of the Kharkiv Regional Military Administration Oleh Syniehubov wrote on Telegram that Russian troops fired S-300 missiles at Chuhuiv district.