Ukrainian pro-government forces are closing in on the Russian-sponsored insurgents in the city of Luhansk, Ukrainian National Security and Defense Council (NSDC) spokesman Andriy Lysenko has said.

"Fighting continues near Donetsk, Luhansk, Horlivka, Ilovaisk, Pervomaisk and Krasny Luch," he said at a press briefing in Kyiv on Friday.