The bus with 23 passengers fell into a reservoir in the Japanese Prefecture of Osaka.
The bus was transported after a picnic of the employees of a local construction company.
Japanese in Osaka Prefecture fell into the reservoir a bus with 23 passengers killed five people.
The accident occurred near the city of Kawachinagano.
The bus which carried after a picnic of the employees of a local construction company, fell into the water from 10-metre height. A few people were able to quickly get out of the bus, one independently reached shore.
All passengers were taken to the hospital. One of the victims is in critical condition.