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Governing body the FIA said the decision had been made "following recent unauthorised media comments".

Warwick is the second driver steward to be punished by the FIA for commenting on races in the past six months.

In January Johnny Herbert was dropped by the FIA, which said his "duties as an FIA steward and that of a media pundit were incompatible".

The FIA's decision to suspend Warwick came a day after controversial statute changes were passed by the organisation's general assembly.

The changes are said by critics to "risk further contributing to the erosion of the FIA's reputation for competent and transparent governance" under president Mohammed Ben Sulayem.