A demonstrator is engulfed in flames from a petrol bomb that was thrown at a police vehicle during protests marking the anniversary of the coup that toppled President Salvador Allende and brought dictator General Augusto Pinochet to power 49 years ago, in Santiago, Chile, Sunday, Sept. 11, 2022. The anniversary comes one week after Chileans overwhelmingly rejected a new constitution to replace its dictatorship-era charter. (AP Photo/Luis Hidalgo)