TOPSHOT - Demonstrators assault and set on fire a National Guard riot control vehicle during a protest against Venezuelan President Nicolas Maduro, in Caracas on May 3, 2017.
Venezuela's angry opposition rallied Wednesday vowing huge street protests against President Nicolas Maduro's plan to rewrite the constitution and accusing him of dodging elections to cling to power despite deadly unrest. / AFP PHOTO / FEDERICO PARRA        (Photo credit should read FEDERICO PARRA/AFP/Getty Images)