Censor.NET reports citing the ATO HQ press center on Facebook.
"Unfortunately, over the past 24-hour period, one Ukraine's Armed Forces serviceman was killed in enemy shelling. Five our military have been wounded and traumatized," the message says.
As reported, pro-Russian militants attacked ATO forces positions 67 times on June 11.
ATO report: terrorists in Donbas violated cease-fire 14 times yesterday, Ukrainian military retaliated, - ATO HQ(0)