The city of Horlivka, Donetsk region was under fire from heavy artillery at night from 12 to May 13. Explosions were heard from about 22:30 during 4 hours in the city. One of the shells hit the roof of a multistory building on Captain Ostapenko street. There is also information about the damage of an apartment house in the village of №19-20 mine. The pipeline is damaged in some areas, according to Informator.