The number of people killed in eastern Ukraine since last April has now topped 6,000, despite successive ceasefires, a UN spokesman said Monday.
The Ukrainian parliament on Thursday approved a cabinet led by new Prime Minister Arseny Yatsenyuk.
Ousted Ukrainian President Viktor Yanukovych on Thursday said he considers himself the "legitimate head" of the state, local media reported.
Armed men seized the regional government headquarters and parliament on Ukraine's Crimea peninsula on Thursday and raised the Russian flag in a challenge to the country's new rulers.
Western countries pledged political and financial support for the Ukrainian interim government, while ousted President Viktor Yanukovych has been put on the international wanted list.
Ukraine's protest leaders named the ministers they want to form a new government following the overthrow of President Viktor Yanukovich.
Ukraine's riot police force has been disbanded following accusations of violent attacks on protesters, the acting interior minister said Wednesday.
Russian President Vladimir Putin ordered an urgent drill to test the combat readiness of the armed forces across western Russia on Wednesday, flexing Moscow's military muscle amid tension with the West over Ukraine.
The residency of the ousted Ukrainian president Viktor Yanukovych is some 15 kilometres from Kiev. Country residence of ousted former President Viktor Yanukovych opened to the public Feb 24, 2014.
As the country begins the delicate climb out of the chaos that saw yet another political turnover, the US and the European Union have had a look at the Ukrainian government's books
Key political figures during Ukraine unrest
The unrest in Ukraine drawn sharp reactions from Washington, generated talk of possible European Union sanctions and led to a Kremlin statement blaming Europe and the West. Here is a roundup of some of the international reaction.
Following fast-moving days of political upheaval, Ukraine is challenged by a power vacuum left by the flight of President Viktor Yanukovych and the dire economic situation.