A athletics official in Dusseldorf, Germany, has been killed by a javelin at a sports meeting in a stadium.
Dieter Strack, 74, went to measure a throw but was hit in the throat on Sunday as the javelin landed.
He died in hospital later.
The event was immediately cancelled.
The Rheinische Post newspaper reported the boy who threw the javelin is receiving psychological counselling.
The BBC reports cccasional accidents occur in athletics disciplines such as the javelin and the hammer, but deaths are extremely rare.
In 2007, French long jumper Salim Sdiri was speared by a javelin at an meeting in Rome and had to be taken to hospital.