KIEV, April 4 - European Energy Commissioner Gunther Oettinger will visit Ukraine in June for the start of modernization of Ukrainian gas pipelines, Energy and Mining Minister Yuriy Boyko told the Velyka Polityka program of the Inter Channel.

"Mr. Oettinger will witness the beginning of gas pipelines' modernization in the middle of June. We will weld the so-called golden joint to begin the reconstruction of the Urengoi-Pomary-Uzhgorod trunk gas pipeline," he said.