Authorities are investigating 33 swimmers for allegedly harassing dolphins in Hawaii

In this photo provided by the Hawaii Department of Land and Natural Resources, swimmers swim after spinner dolphins in Honanau Bay, Hawaii, March 26, 2023. Hawaii authorities say they have referred 33 people to U.S. law enforcement after the group allegedly harassed a pod of wild dolphins in waters off the Big Island. (Hawaii Department of Land and Natural Resources via AP)

Federal law enforcement is investigating a group of 33 swimmers who allegedly harassed a pod of dolphins in Hawaii, the state's Department of Land and Natural Resources said this week.

Drone videos and photographs allegedly show the group swimming in the Hōnaunau Bay on Sunday and "​​aggressively pursuing, corralling, and harassing the pod," the DLNR said.