Frontline summary: Deterioration in Kostiantynivka, Pokrovsk

The situation for Ukrainian units in Kostiantynivka is deteriorating, while Russian forces are advancing in the 'gray zone' near Pokrovsk and Myrnohrad. A third Ukrainian drone raid on Tuapse in two weeks has caused a large-scale fire at the oil refinery. In Crimea, an Iskander missile system base is on fire following a UAV attack. Finnish Sisu GTP 4x4 armored vehicles have been spotted in service with the Armed Forces of Ukraine, a delivery not previously reported.