By IANS,
Rio De Janeiro : Eleven students were killed and 22 others injured when a gunman opened fire in a school classroom in this Brazilian city Thursday, Xinhua reported.
The gunman opened fire on some 40 students in an eighth grade classroom, witnesses said. One of the boys injured in the attack alerted a police patrol nearby.
Police shot the gunman in his leg and forced him to surrender when he was climbing from the second to the third floor. But he shot himself dead.
The 23-year-old shooter had graduated from the school, police said. He used two revolvers and reloaded the weapons several times during the rampage.
Police said they found a letter from the gunman at the spot that suggests he was determined to commit suicide.
The injured were taken to nearby hospitals.