Anti-riot police officers react to the effects of tear gas after one of their canisters fired at protesters was lobbed back at them during confrontations at a mass rally called by the opposition leader Raila Odinga who claims the last Kenyan presidential election was stolen from him and blames the government for the hike of living costs in the country, in Mathare, Nairobi, on March 27, 2023. - Police fired tear gas to disperse anti-government protests on March 27, 2023 over the high cost of living, after the opposition vowed demonstrations would go ahead despite a police ban. (Photo by Tony KARUMBA / AFP)