Chinese police said that Kuang Yingxue, a disgruntled
schoolteacher at Micheng's No. 3 Primary School, set off a bomb at a
citation ceremony for outstanding instructors in China's southwestern
Yunnan province in April, killing himself and five other teachers.
April 3 attack also wounded 41 teachers, the Communist Party boss of
Micheng town in Midu county and a town vice-mayor.
Kuang Yingxue, 38,
had been recommended to receive an award for outstanding teachers but
was frustrated after he was passed over for citation.