Three children are injured when bounce houses are hauled into the air by a sheriff’s helicopter.

When the Rancho Cucamonga Police Department held its annual open house, there was a complication that required immediate attention.

Three children were injured when a bouncy house was thrown into the air by a downdraft from a sheriff’s helicopter in southern California on Saturday, according to the authorities there.

The incident occurred around 10:30 a.m. on a Saturday. According to a news release from the department, the annual open house of the Rancho Cucamonga Police Agency was held. At the event were an exhibit hall, refreshments, and a bounce house for the youngsters.