The future of one of Germany's two Formula One grand prix venues is uncertain as the Nurburgring faces possible insolvency.

Nelson Piquet Jnr feels he will have to wait for the heat to die down from ’crashgate’ before attempting a Formula One comeback.

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.