Kyiv : Ukraine’s capital Kyiv and the western region of Lviv came under a “massive” Russian air attack early Sunday, officials said, while Poland said one of the Russian missiles breached its airspace.Russia and Ukraine have been engaged in a series of deadly aerial attacks, with Sunday’s strikes also coming a day after the Russian military said it had seized the Ukrainian village of Ivanivske, west of Bakhmut.A militant attack on a Moscow concert hall on Friday that killed at least 133 people also became a new flashpoint between the two arch-rivals.Explosions in the capital. Air defence is working. Do not leave shelters,” Kyiv mayor Vitali Klitschko posted on Telegram early Sunday.The governor of the Lviv region, Maksym Kozytskyi, said the Stryi district, south of the city of Lviv, around 80 kilometres (50 miles) from the Polish border, was also attacked.Officials in Kyiv, the surrounding Kyiv region and Lviv reported minor damage to some buildings but no casualties.Temporary localised power cuts were also reported in the eastern Dnipropetrovsk region after an overnight drone attack.