Censor.NET reports quoting Poroshenko's Facebook.
"While on a trip to Sofia, I couldn't miss the opportunity to meet with our fighters. I went to the town of Hisarya, 140 kilometers from the capital of Bulgaria. I visited our guys in the hospital of the Military Medical Academy of Bulgaria's MoD who undergo treatment there.
"I thanked the soldiers for their service. It's really pleasant to hear from Bulgarian doctors that our soldiers protect not only Ukraine but entire Europe," the president wrote.