Russia struck the western Ukrainian city of Lviv on Friday with cruise missiles, ending the relative peace its citizens had experienced thus far, according to Mayor Andriy Sadovy, The New York Times reported.

Lviv is roughly 50 miles away from Ukraine’s border with Poland, a NATO member, and has served as a safe haven for those who have fled cities Russia has more frequently targeted, the NYT reported. Sadovy said several missiles struck an aircraft repair plant at the airport complex and destroyed a number of buildings.

The repair plant was not operating at the time of the attack and there were no reported casualties, Sadovy said, Axios reported.