"We're aware [of the situation], but I will not comment now. I just do not have detailed information and it would be wrong to provide incomplete assessments. I will refrain [now], but I will certainly share the information as soon as it has been verified," Peskov told journalists, answering a question whether the Kremlin was aware of what has been happening in Luhansk and who is behind the escalation.

Read alsoPlotnitsky did not leave "LPR" – Russian mediaPeskov stressed that the Kremlin was monitoring the situation. However, he refused to comment on a possible merger of the two self-proclaimed republics in Donbas – the so-called "Donetsk People's Republic" ("DPR") and "Luhansk People's Republic" ("LPR").

"This is rather a question [to be addressed] to the 'republics,' but I again will not comment on anything," Peskov said.