A riot policeman clears burning tires from a highway that were set ablaze by Bahraini anti-government protesters in Sehla, Bahrain, on Thursday, April 18, 2013. Organizers of Bahrain's Formula One ... more 
A riot policeman clears burning tires from a highway that were set ablaze by Bahraini anti-government protesters in Sehla, Bahrain, on Thursday, April 18, 2013. Organizers of Bahrain's Formula One Grand Prix, to be held Sunday, said Thursday that sporadic protests against the race and violent unrest across the Gulf nation do not pose a threat to the premier international event in the kingdom. (AP Photo/Hasan Jamali) less 
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Associated Press | Photo By Hasan Jamali
Thu, Apr 18, 2013 7:08 PM EDT