A total of four Ukrainian military men were wounded in the antiterrorist operation on December 13. A spokesperson of the Defense Ministry for Antiterrorist Operation Affairs Andrii Lysenko has said this at a briefing, Ukrainian News Agency reports. The ATO headquarters states that the militants held intense mortar fire, in particular on the residential sector of Avdiivka (Donetsk region). In addition, according to intelligence reports, special trains with fuel, ammunition and food for militants from Russia arrived to the occupied territories on December 12-13. On December 13, four attempts of malicious desertion of military from the units of the self-proclaimed "Donetsk People's Republic" were recorded. As Ukrainian News Agency earlier reported, the anti-terrorist operation headquarters says that there were no losses in the ATO on December 12.