Positions of the Ukrainian Armed Forces in Donbas came under fire 27 times, the press center of the headquarters of Kyiv's army operation in eastern Ukraine reported."Twenty-seven strikes against positions of Ukraine's Armed Forces have been recorded in the past 24 hours, including 21 strikes in the Donetsk region and six near the city of Mariupol," the press center said.Ukrainian military positions in the vicinity of Luhanske and the Zenit checkpoint near Avdiyivka came under 82mm mortar fire, the press center said, adding that four mines were launched during that attack.