At least 67 people have been killed in two waves of violence between protesters and riot police that first broke out on Tuesday, Kiev city authorities said.

Serbia is open “to all modes of cooperation with friendly countries,” Serbian President Tomislav Nikolić said in Belgrade on Monday during talks with Azerbaijan’s defense minister, Lieutenant-General Zakir Hasanov.

Azerbaijani, Turkish and Georgian foreign ministers are holding one-on-one meetings in Ganja, said spokesman for Azerbaijan’s Foreign Ministry Elman Abdullayev.