SAO PAULO (Reuters) – At least nine people have died after part of a warehouse near the Brazilian city of Sao Paulo collapsed on Tuesday, during a visit by two congressional candidates. Congressional candidates Jones Donizette and Ely Santos were visiting Brazilian container company Multiteiner when part of a concrete structure inside the warehouse collapsed over them and company employees. Donizette said in a Facebook post that he and Santos had both been rescued, but a local fire department said at least nine people had died in the collapse. The fire department added that 31 people had been …