Ukraine's acting president has said he wants to integrate with Europe as Russia recalled its ambassador for urgent consultations.
Tensions are rising in the country's east, a political stronghold of the toppled President Viktor Yanukovich.
Yanukovich's whereabouts are still a matter of intense speculation but if he is seeking sanctuary this would be where to find it.
Al Jazeera's David Chater reports from Kharkiv.
Source: Al Jazeera