Riot police officers fire teargas canisters to disperse supporters of Kenya's Opposition leader and presidential candidate Raila Odinga of the Azimio la Umoja' (Declaration of Unity) from a rally by Kenya's Deputy President William Ruto of United Democratic Alliance (UDA) ahead of the forthcoming presidential election, at the Jacaranda grounds in Nairobi, Kenya, June 19, 2022. REUTERS/Thomas Mukoya