Update: The Baltimore Sun says her last name is Constants, not Constant.

Earlier: Authorities in Maryland say a 14-year-old Annapolis girl has died after her boat capsized during a sailing lesson.

Department of Natural Resources Police spokesman Sgt. Art Windemuth says Olivia Constant was sailing in the Severn River on Thursday afternoon when her boat capsized. Investigators believe a harness she was wearing became entangled in the rigging of the sailboat. The girl was trapped underwater for several minutes before an instructor from the Severn Sailing Association was able to free her.

The Baltimore Sun reports she was taken to a hospital, where she was pronounced dead.

Windemuth says investigators are still trying to determine why the vessel capsized.