US citizen Stephen Zabielski, 52, has reportedly died in Ukraine, as confirmed by the State Department. According to an obituary posted by his family, Zabielski, a US Army veteran, had died on May 15.

“We can confirm the death of US citizen Stephen Zabielski in Ukraine,” the State Department said. “We have been in touch with the family and have provided all possible consular assistance. Out of respect to the family during this difficult time, we have nothing further,” they added.

Zabielski is believed to be the second American citizen and US veteran to have died in Ukraine following the death of Willy Joseph Cancel, a 22-year-old Marine. Cancel went to Ukraine as a private military contracting company member and died on March 12 or 13 while fighting Russian forces with the Ukrainian International Legion.

Zabielski, an army veteran aimed to help the Ukrainian Armed Forces fend off the Russian invasion, now in its fourth month. He was from Amsterdam/Cranesville, New York originally, and moved to Hernando, Florida,  He worked in construction for over 30 years. He reportedly served in the Persian Gulf War with the 101st Airborne.