Poison may have been sprayed into classrooms before students entered , police spokesman says . In April , also in Takhar province , more than 170 women and girls were hospitalized after drinking apparently poisoned well water at a school . Students complained of headaches , fatigue and nausea ; many remain hospitalized . It 's the second such poisoning in a week 's period . A police spokesman blamed the government , which has ordered the closure of some schools .
Poison may have been sprayed into classrooms before students entered , police spokesman says . Students complained of headaches , fatigue and nausea ; many remain hospitalized . It 's the second such poisoning in a week 's period . A police spokesman blamed the government , which has ordered the closure of some schools .