A further 32 people were injured, nine of them seriously, after a canyon wall plunged into the water and onto motorboats on Furnas lake in Capitolio, Minas Gerais state, on Saturday.
Videos posted on social media showed a cluster of small boats near the cliff face when the rock smashed into the water, landing on two of the vessels. Onlookers could be heard screaming as other boats close to the scene sped off to escape.Minas Gerais Fire Department commander Edgard Estevo said divers were searching for up to 20 people missing following the disaster, but some of those feared lost were located by phone.
Two boats were hit directly by the rocks and 24 people rescued from them alive, fire department spokesman Pedro Aihara said. Seven bodies have been recovered.