Christopher Okello Onyum sentenced for fatal stabbing of four children aged between one and three years old. A Ugandan court has sentenced a man to death for killing four children at a nursery school, in the capital, Kampala, earlier this month. Christopher Okello Onyum was found guilty of fatally stabbing the children — aged between one and three years old — on April 2 . He posed as a parent to gain entry to the nursery school, then locked the gate and carried out the attack in less than seven minutes. An angry crowd of parents attempted to lynch him before a security guard subdued him, police said. The court heard Onyum had searched “schools near me” and “ISIS beheadings” on his mobile phone and laptop in advance of the killings, which the judge said indicated clear preparation for the attack.…