Formula One's governing body, the FIA, released this statement defending its decision to go ahead with the F1 Bahrain GP:
The FIA must make rational decisions based on the information provided to us by the Bahraini authorities and by the Commercial Rights Holder...Based on the current information the FIA has at this stage, it is satisfied that all the proper security measures are in place for the running of a Formula One World Championship event in Bahrain. Therefore, the FIA confirms that the 2012 Gulf Air F1 Grand Prix of Bahrain will go ahead as scheduled.
Demonstrators hurled petrol bombs during nightly clashes with the police who responded by firing teargas and rubber bullets.
Crowds of protesters hurled petrol bombs at police who fired tear gas back in Bahrain on Saturday on the eve of the Grand Prix.
Protesters have clashed with police in Bahrain as F1 bosses remained defiant and the country's leaders refused to "empower extremists."