Formula 1: Daniel Ricciardo hopeful on Red Bull revival

BBC F1 pit lane reporter Tom Clarkson spoke to Red Bull's Daniel Ricciardo before the Hungarian Grand Prix about his victory in 2014 and Red Bulls problems in 2015.

Red Bull have suffered another tough season with an uncompetitive car, problems with engine suppliers Renault and rumours the team may pull out of the sport completely.

Red Bull had a season's best finish in Hungary with Ricciardo finishing third and team-mate Daniil Kvyat securing his first ever podium finish with second.

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