Brazilian President Luiz Inacio Lula da Silva returned to Brasilia on ... in Sao Paulo wearing a brimmed hat and giving a thumbs-up after getting his doctors' all-clear to take plane trips.

Allies of the Liberal Party's (PL) candidate claimed to have been harmed by the non-transmission of 154,000 electoral ads, most of them on radio stations in the Brazilian northeast, Lula's stronghold.

Lula "will return to the capital on Thursday ... Sirio-Libanes in Sao Paulo wearing a brimmed hat and giving a thumbs-up, but making no comment to media. A final medical check-up on Thursday ...