In Pictures: Ukraine protesters clash with police in Kiev
Images show street battles between police and protesters continuing for a second day in the centre of the Ukrainian capital, Kiev.
Anti-government protesters and police have clashed in the Ukrainian capital, Kiev, for a second day.
President Viktor Yanukovych has said the violence is a threat "to the whole of Ukraine".
Some protesters launched rocks and petrol bombs at police on Monday, while their supporters banged on lampposts and oil drums.
Others tore up cobblestones to hurl at riot police - some of whom threw the stones back again.
Police officers responded with stun grenades, tear gas and rubber bullets. The government has warned that the law allows police to use live ammunition.
The latest violence comes days after the president's supporters in the Ukrainian parliament passed new legislation giving police extra powers to tackle demonstrators.
The law includes a ban on the unauthorised installation of tents, and a provision to arrest protesters wearing masks or helmets.
The street battles broke out around the parliament buildings on Sunday following a rally against the president.
Many activists have held peaceful demonstrations. People gathered in front of the European Union delegation in Kiev on Monday calling for sanctions to be imposed on Ukraine's government.
The unrest follows weeks of mainly peaceful action against Kiev's decision to spurn a political agreement with the EU.
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