TV crews and amateur video has captured some of the dramatic scenes in Ukraine as parts of the country descend into violent turmoil. These are some of the key moments.
Shots fired on streets as truce falls apart
The BBC's Duncan Crawford reports from Kiev as a truce between protestors and the government broke down. Witnesses reported live rounds, petrol bombs and water cannon at the main protest site, Independence Square.
The BBC's Daniel Sandford witnesses Ukraine's "descent into insanity"
Kiev monastery now makeshift hospital
One of the prominent sights of Kiev, Mikhailivsky monastery has been turned into a makeshift hospital and a support centre where food, clothes and medicine are distributed.
Activist Kateryna Overchenko explains how the Mikhailivsky monastery in Kiev is now a makeshift hospital
Kiev doctor treats wounds in hotel lobby
BBC reporter Duncan Crawford speaks to a doctor treating seriously injured people in a hotel lobby in Kiev, who told him that she had found bullets in some bodies.
A doctor in Kiev has said she found bullets in bodies
Ukraine President Yanukovych blames 'radicals'
Ukraine's president urged opposition leaders to distance themselves from "radical elements who seek bloodshed and conflict", after the country's worst violence for 70 years. Daniel Sandford reports.
The BBC's Daniel Sandford reports from Independence Square, where protests continue
Vitaly Klitschko: 'Yanukovych's regime has to go'
The leader of the opposition party in Ukraine, former heavyweight boxing champion Vitaly Klitschko, has said that President Viktor Yanukovych's regime "has to go" for peace to be restored to the country's capital.
Opposition party leader Vitaly Klitschko: "Yanukovych's regime has to go"
Protests spread outside Kiev
The BBC's Steve Rosenberg reports from the western city of Lviv, where barricades were erected and the governor Oleg Salo was forced to resign.
Barricades of snow bags, tyres and wooden sticks surround the Lviv regional state administration office, as Steve Rosenberg reports
'Apocalyptic scene' in Ukraine's Kiev
The BBC's diplomatic correspondent Bridget Kendall reports on the "apocalyptic scene" in Ukraine's capital Kiev, as at least thirteen people, including six police officers, were killed in renewed violence.
The BBC's Bridget Kendall: "Protesters defiantly lobbed firecrackers and other missiles"
Captors 'beat me professionally'
A Ukrainian protest leader who says he was abducted and tortured for eight days has described his captors as "professional".
Speaking on Thursday, Mr Bulatov told reporters he had been beaten, choked and interrogated
Inside occupied Ukraine justice ministry
The BBC's Matthew Price reports from inside the Ukrainian justice ministry, which has been occupied by anti-government protesters.
The BBC's Matthew Price reports from inside the occupied Ukrainian justice ministry in Kiev
Ukraine crisis explained in 60 seconds
Ukraine's violent political deadlock explained in 60 seconds.
Violence has spread from Kiev to other Ukrainian towns and cities
