Kenya: Prime Minister Raila Odinga calls Monday’s explosion in Nairobi that injured more than 25 people “an act of terrorism.” Somalia: African Union and Somali government troops secure an aid corridor between Mogadishu and Afgoye, former al-Shabab stronghold close to the capital. South Africa: Supporters of President Jacob Zuma protest outside Johannesburg gallery that’s showing painting of him with his genitals exposed. Egypt: Demonstrators in Tahrir Square are angry over outcome of first round of presidential election: a June runoff between a Mubarak loyalist and a member of the Muslim Brotherhood. Nigeria: Government minister says Nigeria is losing nearly a fifth of its revenues to oil thieves. South Sudan: Around 100 local and international runners battle the heat, traffic and dogs to compete in South Sudan's first half-marathon.