galleryDeadly Protests in Iran06.16.09galleryDeadly Protests in IranWith seven dead, supporters of Mir Hossein Mousavi flood the streets of Tehran for the fourth straight day of protest—and they’re only getting more violent. VIEW OUR GALLERY.06.16.09 7:19 AM ETAP PhotoA protester throws rocks at Iranian riot police in Tehran on June 21, 2009.ReutersPeople assist an injured man in Tehran on June 21, 2009.AP PhotoAn Iranian woman carries rocks at an anti-government protest in Tehran, June 20, 2009. Getty ImagesA supporter of Iran's defeated presidential candidate Mir Hossein Mousavi holds a toy gun in his hand to scare away the forces during a demonstration on June 20, 2009 in Tehran.AP PhotoTwo Iranian women take cover from a cloud of either tear gas or smoke at an anti-government protest in Tehran on Saturday June 20, 2009. AP PhotoAn Iranian protester flashes the victory sign from behind a public trash bin set on fire at an anti-government protest in Tehran.ReutersProtesters gather during a march on a street in Tehran in this picture uploaded on Twitter on June 20, 2009.Getty ImagesSupporters of Iran's defeated presidential candidate Mir Hossein Mousavi fought with riot police during a demonstration on June 20.Ali Safari, AFP / Getty ImagesAn Iranian protester stands next to a burning bus during clashes with Iranian police at a demonstration in Tehran on June 20, 2009. AP PhotoSupporters of opposition leader Mir Hossien Mousavi attend during protest in Tehran on Saturday June, 20, 2009.AP PhotoEyewitnesses described fierce clashes after some 3,000 protesters, many wearing black, chanted 'Death to the dictator!' and 'Death to dictatorship!' near Revolution Square in downtown Tehran.AP PhotoSupporters of opposition leader Mir Hossien Mousavi set fire to a barricade as they protest in Tehran.AFP / Getty ImagesPolice fired tear gas, water cannons and guns but it was not clear if they were firing live ammunition into the June 20 crowds.ReutersPeople attend to an injured woman. Mousavi said on Saturday he was "ready for martyrdom."AP PhotoIn this image taken from amateur video posted online on Saturday, a supporter of opposition leader Mir Hossien Mousavi appears to kick a teargas canister while protesting in Tehran. AFP / Getty ImagesProtesters poured onto the streets despite Ayatollah Ali Khameini's threat to punish demonstrators however necessary.AP PhotoPolice beat protesters and fired tear gas and water cannons at thousands in open defiance of Iran's clerical government, sharply escalating the most serious internal conflict since the 1979 Islamic Revolution. AP PhotoThe streets littered with the debris of street fighting, a group of riot police stand before a pair of protesters.AFP / Getty ImagesIranian riot police intervene as supporters of the Islamic republic's defeated presidential candidate Mir Hossein Mousavi clash with members of Iran's hardline volunteer Basij militia at Tehran's University on June 14, 2009. Mousavi, a reformist former prime minister, said he has asked the powerful Guardians Council to cancel the result of the June 12 presidential poll, while urging his supporters to continue peaceful protests.Ghalam News / AP PhotoIn this image made available from Mousavi's election campaign media operation Ghalam News, Iranian opposition leader Mir Hossein Mousavi, center right, addresses supporters at a demonstration in Tehran on Thursday June 18, 2009.