Several elephants are believed to have been slaughtered at a protected site in Africa.
The World Wildlife Fund (WWF) says 17 "heavily armed" suspected poachers entered the Dzanga-Ndoki National Park in Central African Republic and opened fire on the elephants.
The organisation says researchers working in the area confirmed hearing automatic weapon shots coming from a large clearing known as Dzanga Bai, or "village of elephants" where between 50 and 200 elephants congregate daily to drink mineral salts present in the sands.
The Park is a World Heritage site and features frequently in wildlife documentaries.
WWF says it is "extremely worried" about the elephants in Dzanga-Ndoki national park.
It says ivory poachers were seen using a scientist's observation platform to shoot the animals.