Nelson Piquet Snr is threatening to take Flavio Briatore to court in the hope of extricating his son from the deal in place with the disgraced Renault team boss.

Nelson Piquet Junior is adamant he has “nothing to fear” after Renault today launched criminal proceedings against him and his father.

Fernando Alonso has unsurprisingly returned to Renault following a personally traumatic season with McLaren.