Police have found a body in a cave south of Dunedin overnight.

Te Rūnanga o Ōtākou has placed a 24-hour rāhui, which covers the coastline from Taieri Mouth, south to Bull Creek and Glenledi, lifting at 11pm today.

A police spokeswoman said a body was located in a cave at Taieri Mouth at about 11pm yesterday.

“The death is currently being treated as unexplained and inquiries are under way to determine what has occurred.”