South Africa’s News 24 is reporting that research permits issued to the crew of National Geographic’s Shark Men have been cancelled after a tragic fatal shark attack in Cape Town’s Kogel Bay today. A National Sea Rescue Institute (NSRI) represented said the victim was bodyboarding with his brother when the attack occurred.

Alan Boyd, the director of Biodiversity and Coastal Research who issued the research permits to Chris Fischer and his crew, told News 24 that he cancelled the permits for the Shark Men team when he learned of the attack. Concerns that the chumming practices used by the research team could potentially draw more sharks in to beach areas had been raised with some calling for high shark alert to be issued, according to the report.

For more information, check out the full story at News 24