A Ukrainian drone attack on the Russian city of Nizhnekamsk, located 800km east of Moscow, has resulted in the deaths of 13 civilians, including at least one child. Russian investigators have launched a criminal case, categorizing the incident as a terrorist attack. The strike reportedly hit residential areas of the city, causing significant casualties. This attack represents a notable instance of Ukraine reaching a considerable distance into Russian territory. Ukrainian officials have not yet commented on the incident. The strike intensifies the ongoing conflict and raises concerns about escalating attacks on civilian populations. Russia is expected to respond to the attack.