Seventeen-year-old says Grosjean hit the brakes "10 or 15 metres" earlier than the previous lap.
Lotus reserve driver Jolyon Palmer set a late fast lap on super-soft tyres to top the timesheets on the second day of this week's in-season test at Barcelona and usurp Mercedes.
Mechanic suffered torn ankle ligaments after Romain Grosjean overshot his mark during final pit stop in Barcelona.
The dramatic explosion of bodywork on Romain Grosjean's Lotus during FP2 was down to the failure of a "bodywork fastener", also known as the bit that keeps the engine cover attached.
Lotus targeting Williams and Red Bull with updates at the Spanish Grand Prix.
Team actively tweets throughout the day as it takes E23 Hybrid, the iconic Lotus 72E and a host of road-going cars for fans at the iconic Kent circuit.
Once described as a "first-lap nutcase" by Mark Webber, Romain Grosjean says he has learned to control his aggression and use it to his advantage in recent years.
ESPN rounds up all the reaction from up and down the paddock after the Bahrain Grand Prix
ESPN rounds up all the reaction from up and down the paddock after qualifying for the Bahrain Grand Prix.
German pips Lewis Hamilton to P1 as Mercedes shows it has still maintained one-lap advantage over Ferrari.
ESPN rounds up the best radio soundbites from China as Daniil Kvyat does his best Bruce Springsteen impression and Nico Rosberg asks another car to go faster.
ESPN rounds up all the reaction from up and down the paddock after qualifying for the Chinese Grand Prix
World champion tops his third practice session of the weekend as Mercedes shows its one-lap advantage over Ferrari in China.
All the reaction from up and down the paddock after Friday practice in Shanghai.
Lotus development driver says its time Formula One follows the example of other professional sports by having series for women
Lotus deputy principal Federico Gastaldi thinks Ferrari's victory in Malaysia proves the 2015 season will be "very competitive" at the front
ESPN rounds up the best radio soundbites from the Malaysian Grand Prix as Sebastian Vettel and Ferrari returned to winning ways
Pastor Maldonado has been handed three penalty points to his super licence for exceeding the speed limit under the safety car at the Malaysian Grand Prix.
ESPN rounds up all the reaction from up and down the paddock after the Malaysian Grand Prix
A look at the main talking points ahead of the Malaysian Grand Prix as F1 looks to bounce back from a damp squib in Melbourne
Hong Kongese driver will take part in simulator work for the upcoming season
The latest betting tips from the ESPN team, in association with bet365
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