Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Roads Blocked'¯in Nigeria in Defiance of President's Call for Calm VOA News Major roads in Lagos, Nigeria were blocked Friday by groups of people armed with knives and sticks, many of whom were angered by the president's speech that appealed for calm but failed to denounce the police killing of peaceful protesters demanding an end to police brutality. In his first public comments Thursday on the unrest gripping the West African country, Nigerian President Muhammadu Buhari urged youth involved in the protests to end demonstrations and begin a dialogue with the government. .