The Ukrainian military reported striking a Russian helicopter over the Sea of Azov and a railway bridge in the eastern Luhansk region on Saturday, July 4. The General Staff of the Armed Forces of Ukraine stated that the extent of the damage to the helicopter is currently being assessed. The military did not specify the model of the helicopter involved or provide information regarding the status of its crew.JOIN US ON TELEGRAMFollow our coverage of the war on the @Kyivpost_official. In a separate operation, the General Staff reported a strike on a railway bridge crossing the Siverskyi Donets River near the settlement of Stanytsia Luhanska. According to the statement, Russian forces utilize the bridge to transport military personnel, weapons, ammunition, and logistical supplies. According to Ukrainian military data, Russian forces have lost 353 helicopters and 436 fixed-wing aircraft since the beginning of the full-scale invasion. Ongoing campaign against Russian aviation The weekend strikes follow a series of operations targeting Russian aviation assets and infrastructure. On Friday, July 3, the Security Service of Ukraine (SBU) reported that its drones struck Russian military airfields in occupied Crimea for the second time in a week, targeting the Saky and Gvardiyske air bases. The SBU stated that seven hangars storing aviation equipment were hit at the Saky airfield. Preliminary assessments indicated that at least seven aircraft, including Su-30SM, Su-30, and Su-24 models, were destroyed or damaged. The agency also reported strikes on two hangars at the Gvardiyske airfield utilized for storing Shahed drones and other aviation equipment. Both bases are regularly used to launch strikes against Ukrainian territory.