Russia launched more than 40 attack drones across the Azov Sea into eastern and central Ukraine overnight, damaging houses in Kharkiv and Odessa, the Ukrainian military said.

The Ukrainian air force said Russia had launched 21 missiles of various types and 40 drones in the barrage, adding that seven missiles and 16 unmanned aerial vehicles were downed. “As a result of the Russian attack, there were ballistic missile hits in Sumy and Kyiv regions,” the air force said.

Ukrainian sea and aerial drones targeted Sevastopol overnight on December 30-31, according to Mikhail Razvozhayev, the Russian-appointed governor of the annexed region. Razvozhayev reported that Russian forces intercepted “four aerial targets over the sea” and destroyed two unmanned boats at a distance from the coast.

Ukraine shot down 21 Russian attack drones overnight, the Ukrainian Air Force reported on Dec. 30. According to the report, Russia launched a total of 43 drones from its Krasnodar Krai region. The Air Force said it also lost track of the 22 decoy drones that Russia launched alongside the attack ones.

A massive Russian attack on Ukraine triggered an air alert across the country on Tuesday morning. However, it wasn't just a challenging morning for Ukrainians; Russians also faced disruptions. A drone attack prompted the implementation of the "Carpet" plan at several Russian airports.

Russia launched an aerial attack on Ukraine on Tuesday, striking the capital and other regions with multiple missiles and drones. Ukraine's air force reported a ballistic missile threat at 3:00 a.m. (0100 GMT),