Kimi Antonelli's Bahrain Grand Prix weekend has got off to a miserable start after he reported power issues in FP1, and returned to the garage with a comeback for the remainder of the session highly unlikely.

However, that result was placed in jeopardy after Mercedes representatives were called to the stewards to discuss a possible regulation breach. After Esteban Occon's Q2 crash triggered a red flag, the Silver Arrows sent their cars into the pit-lane exit queue prematurely, catching the eye of the FIA, and Nico Hulkenberg in the Sauber garage.

Mercedes has been noted from breaking the curfew on the night of 3 April. The team were present in their garage after hours, when they were not supposed to be. The FIA has released a Technical