HONOLULU — A woman was seriously injured in an apparent shark attack Friday in the waters off the island of Oahu in Hawaii, officials said.

Paramedics responded at about 2 p.m. in the Haleiwa area on Oahu’s North Shore, according to Sunny Johnson, Honolulu Emergency Medical Services paramedic supervisor.

Johnson said paramedics treated a 25-year-old woman with multiple injuries and took her to a trauma hospital in serious condition.

Further details on the attack or the extent of her injuries were not immediately available.