Friends again

©RedBullRacing/Twitter

©RedBullRacing/Twitter

Ahead of the Monaco Grand Prix, Red Bull announced it has extended its deal with Renault to use the French manufacturer's power unit for a further two seasons until the end of 2018. It marks a thawing of the relationship between the two parties, with Christian Horner, Cyril Abiteboul, Helmut Marko and Jerome Stoll posing for this photo to promote the deal which also includes Toro Rosso.