Although President Viktor Yanukovich began to offer some political concessions this weekend, anti-government protests continued in Kiev and civilians clashed with police. On Sunday, protesters stormed the justice ministry, breaking windows and making barricades from furniture and snow packed into bags. The minister, Olena Lukash, threatened to call a state of emergency and end talks with the opposition. “I will be forced to ask the president of Ukraine to stop the talks if the building is not freed immediately and negotiators are not given a chance to find a peaceful solution to the conflict," Lukash told Ukraine's Inter news channel. Two months of clashes marks Ukraine's most violent period since it won independence in 1991 during the Soviet Union's collapse. At least six people have been killed.