Africa News Tonight: Ugandan police say they have arrested 20 suspected collaborators of the rebel Allied Democratic Forces, or ADF, who allegedly killed 42 people in a school Friday night. In Africa, opinion is divided about the continent’s diplomatic mission to Russia and Ukraine to try to end the conflict in Eastern Europe. And, Three Kenya Defense Forces (KDF) soldiers were killed, and more than 10 others injured when their vehicle ran over an improvised explosive device yesterday in coastal Lamu County. For this and more, stay tuned to Africa News Tonight!