The existence of Mercedes and Pirelli's secret Barcelona test was first divulged in a conversation between Nico Rosberg and Sebastian Vettel, Sky Sports News have reported. read more »

Nico Rosberg has admitted he knew which tyres he was testing during Mercedes' tyre test with Pirelli at Barcelona read more »

Nico Rosberg has insisted that it was to Pirelli's specific benefit that both he and Lewis Hamilton, rather than Mercedes reserve driver Sam Bird, drove the W04 in the... read more »

In a brief statement issued ahead of The Canadian GP weekend, Mercedes said it welcomes the forthcoming FIA tribunal following its test with Pirelli at Barcelona. read more »

Nico Rosberg has reiterated that Mercedes learned nothing from their Barcelona tyre test and that Pirelli had complete control of the running. read more »

Mercedes and Pirelli will have to face an International Tribunal investigation following the FIA's decision to refer the matter to the independent panel as it believes... read more »

Mercedes and Pirelli are to face a Formula One tribunal for a possible rules breach concerning their tyre testing session in Barcelona last month. read more »

A statement issued by the FIA on Wednesday evening reveals that Ferrari's test with Barcelona did not contravene the rules, while the Mercedes may have and will therefore... read more »

The ‘test-gate’ saga is likely to be the big topic of conversation this weekend in Canada. The Red Bull camp, in particular, is keeping the heat on... read more »

Ferrari has hit back at claims it is also being investigated by the FIA for illegally testing with Pirelli. While earlier it was believed only Mercedes was under the spotlight... read more »

The FIA has requested information from both Ferrari and Mercedes for more information on both team's tyre testing with Pirelli. A lot has been said on Mercedes'... read more »

The FIA have asked both Mercedes and Ferrari to explain their tyre tests during the season. Mercedes' secret test at Barcelona that was protested by Ferrari and Red... read more »

The FIA has asked Ferrari as well as Mercedes to supply information for a disciplinary inquiry over recent Pirelli tyre tests that have taken place at Barcelona read more »

The full statement issued by Pirelli in response to the three-day test carried out with Mercedes in Barcelona     read more »

Pirelli issues a lengthy statement in reaction to the issues raised following its tyre test with Mercedes in Spain     read more »

Pirelli plans to conduct further testing on its 2014 Formula 1 rubber with teams despite the controversy over its running with Mercedes at Barcelona after the Spanish Grand Prix read more »

Pirelli have reacted to the criticism and questions of the media about the current tyre situation in a lengthy online conference, hoping to clarify some issues that arose after... read more »

Pirelli have denied their Barcelona tyre test favoured Mercedes over the other Formula 1 teams, reiterating that the rubber used was their 2014 compound. read more »

Pirelli stressed out in a statement on Friday that Mercedes Grand Prix was not favoured in any way by helping the tyre manufacturer out with this month's tyre test in... read more »

Clearly frustrated, to say the very least, Pirelli this morning held a press conference in Milan in which it attempted to clarify the situation in terms of the Barcelona test... read more »

Pirelli has insisted that the tyre test Mercedes carried out at Barcelona was focused on 2014 developments, did not favour Mercedes, and that the use of a 2013 car was not at... read more »

The FIA has asked Pirelli to compile a thorough “dossier” ahead of an international tribunal hearing regarding the secret Mercedes test, according to Kleine... read more »

Jenson Button and Mark Webber have both claimed that Nico Rosberg would probably have won the Monaco Grand Prix regardless of Barcelona... read more »

Formula 1 is waiting to hear from the FIA about whether or not it believes Mercedes broke the sport's rules in testing a 2013 car at Barcelona after the Spanish Grand Prix. read more »

Lewis Hamilton has said that his apparent lack of pace is of more concern to him than Mercedes' run-in with the FIA over tyre testing.     read more »