Senegalese policemen patrol during anti-government demonstrations in Dakar on April 19, 2018. Senegal police fired tear gas to break up an anti-government demonstration in Dakar on April 19, arresting a number of protestors, including the former prime minister Idrissa Seck, AFP journalists and official sources said. With less than a year to go before the presidential election, activists and opposition parties had called a rally outside parliament to protest against proposed changes to the electoral code and the constitution. / AFP PHOTO / SEYLLOU