Twenty children and two teachers have been taken to hospital after they were stung by wasps at an elementary school in western Tokyo.
Tokyo police and fire department officials say the incident occurred shortly after 9:30 a.m. on Thursday at Imai Elementary School in Ome City. The officials say all the victims are conscious. It is not known how serious their injuries are.
The school says more than 30 first-graders were having a class outside the school building when some of them were stung by wasps about 2 centimeters long. The officials say the insects appear to be a type of hornet that makes nests in the ground.
Authorities are trying to find more details about what happened.

Quiz 1:
Where did the incident involving the wasp stings occur?
A. Eastern Tokyo
B. Central Tokyo
C. Western Tokyo
D. Southern Tokyo

Quiz 2:
What type of insects were responsible for the stings at Imai Elementary School?
A. Bees
B. Ants
C. Hornets (wasps with nests in the ground)
D. Flies

Quiz 3:
How many people, including children and teachers, were taken to the hospital due to wasp stings?
A. 10
B. 20
C. 30
D. 40