Six dead after wall of rock falls on boaters on Brazilian lake

(Andre Penner/AP)

A slab of rock broke from a cliff and toppled onto pleasure boaters drifting near a waterfall on a Brazilian lake on Saturday, with officials saying at least six people died.

Edgard Estevo, commander of the Minas Gerais State Fire Department, said at a news conference that in addition to the dead as many as 20 people might be missing and officials were seeking to identify them.