ATHENS, Greece, April 10 (UPI) -- A student killed himself Friday after shooting a fellow student at a college and two workers at a construction site in Athens, Greece, authorities said.
Police said the gunman had left a letter complaining that his fellow students were ridiculing him.
Shootings have been rare in Greek schools, the BBC reported.
The 19-year-old gunman entered the school with two pistols and fired at least three shots at the other student, who was taken to a hospital with serious injuries.
The gunman left the school and shot the two workers before firing a bullet into his own head, police said.
The gunman died in a hospital.
The workers suffered light injuries, police said.