New Delhi, May 1 -- A judge on Thursday sentenced a Ugandan man to death after rejecting his insanity plea in the killings of four children in a nursery school earlier this month.

A crowd watching proceedings in a tent erupted in cheers after the judge ruled that Christopher Okello should "suffer death" for the April 2 killings that devastated the East African nation.

The suspect "failed to adduce any evidence to support this claim that he was not mentally okay" when he committed the crimes, the judge said.

The 38-year-old man was accused of killing the children in a machete attack inside a nursery school in a suburb of the Ugandan capital of Kampala.

Witnesses said the attacker targeted the nursery school, known as Gaba Early Childho...