At least seven killed in China school stabbing

At least seven students have been killed and 12 injured in a school stabbing in northern China. Local officials say the attack in Mizhi County of Shaanxi Province was allegedly carried out by Zhao Moumou, aged 28, who claims he was bullied by classmates while he was a student there. Zhao allegedly stabbed the students with a knife while they were leaving school. The students were between the ages of 12 and 18.