Firing line: A protestor aims fireworks at police during clashes in Kiev.
Kiev rioting sparks wave of violence in bug cities.
Protestors yesterday stormed government buildings in several Ukrainian cities as demonstrations against president Viktor Yanukovych spread across the country.
Opposition leaders gave Mr Yanukovych a deadline of late last night to make concessions or fae renewed clashes in Kiev.
The capital was still smouldering after riots and bloodshed sparked by months of growing tension.