Tens of thousands of bees attacked people in a Walmart parking lot in southeast Oklahoma City, as a result three of the suffered were hospitalized, AP reported.

The incident occurred on Saturday. According to the estimates by the local authorities, 30,000 to 60,000 bees escaped and stung people. As a result of bee attack, two people were taken to the hospital in a serious condition. Another person got insignificant injuries, however he was brought to medical facility too.

Insects, according to the law enforcement authorities, escaped from three hives. Finally beekeepers managed to collect all insects.