"The conflict in Nagorno-Karabakh has a potential to escalate."

According to the Russian RIA Novosti, the OSCE Acting Chairman, Foreign Minister of Germany Frank-Walter Steinmeier told reporters in Berlin before flying to the South Caucasus region.

"In the year of the German presidency in the OSCE, we have a responsibility as possible to extinguish the danger - by ceasefire consolidation, on building confidence and imminent start of negotiations", said Steinmeier.

Steinmeier's visit to the South Caucasus will start today.

The OSCE Chairman will arrive in Yerevan today, on June 30 will hold meetings in Baku and then travel to Tbilisi.