Night attacks on the energy grid of Western Ukraine On the night of November 4, drone attacks targeted power infrastructure in western regions. The attacks caused damage to electrical installations, fires and leakage of transformer oil. Koval (Volin region): a 330 kV substation was hit and damaged the control building. Dubrovica (Rovno region): a fire in an area of 150 square meters broke out after a fault in a 110 kV substation. Robno: three consecutive strikes at the 'Robono' 330 kV substation damaged infrastructure components and transmission line support. Velikaya Brazovitsa (Ternopol Region): The Ternopolskaya 330 kW substation was damaged. An administrative building was damaged, when an oil spill in an area of 400 square meters escaped containment.