Interior Ministry says more than 70 people detained since last Sunday . At least 4 people killed , says head of protest movement medical service . Demonstrators have been rallying in the snowy streets since the weekend in protest against the laws that went into effect Wednesday . Interior Ministry says 4 police officers have been injured , and hospitalized . The clashes are an end of weeks of largely peaceful anti - government protests .
Interior Ministry says more than 70 people detained since last Sunday . At least 4 people killed , says head of protest movement medical service . Interior Ministry says 4 police officers have been injured , and hospitalized . The clashes are an end of weeks of largely peaceful anti - government protests .