![Iranian protesters hold portraits of prominent Shiite Muslim cleric Nimr al-Nimr as they confront riot police during a demonstration against his execution by Saudi authorities on Sunday, January 3, outside the Saudi embassy in Tehran, Iran. Saudi Foreign Minister Adel al-Jubeir told reporters that<a target="_blank"> Saudi Arabia is severing ties with Iran </a>after an attack on the embassy.](https://media.cnn.com/api/v1/images/stellar/prod/160103163422-01-tehran-protest-0103-gettyimages-503258148.jpg?q=w_2700,h_1800,x_0,y_0,c_fill/h_447)
Iranian protesters hold portraits of prominent Shiite Muslim cleric Nimr al-Nimr as they confront riot police during a demonstration against his execution by Saudi authorities on Sunday, January 3, outside the Saudi embassy in Tehran, Iran. Saudi Foreign Minister Adel al-Jubeir told reporters that Saudi Arabia is severing ties with Iran after an attack on the embassy.
![Tehran's police chief Gen. Hossein Sajedinia, center right, tries to disperse protesters in front of Saudi Arabia's Embassy in Tehran on January 3.](https://media.cnn.com/api/v1/images/stellar/prod/160103163436-02-tehran-protest-0103-ap-154684993270.jpg?q=w_4744,h_3162,x_0,y_0,c_fill/h_447)
Tehran's police chief Gen. Hossein Sajedinia, center right, tries to disperse protesters in front of Saudi Arabia's Embassy in Tehran on January 3.
![Iranian demonstrators burn representations of the U.S. and Israeli flags during a demonstration in front of the Saudi Arabian Embassy in Tehran on January 3.](https://media.cnn.com/api/v1/images/stellar/prod/160103163459-03-tehran-protest-0103-ap-879601396437.jpg?q=w_4962,h_3308,x_0,y_0,c_fill/h_447)
Iranian demonstrators burn representations of the U.S. and Israeli flags during a demonstration in front of the Saudi Arabian Embassy in Tehran on January 3.
![Iranian security guards Saudi Arabia's embassy in Tehran while a group of demonstrators gathered to protest on January 3.](https://media.cnn.com/api/v1/images/stellar/prod/160103163522-04-tehran-protest-0103-ap-289055982564.jpg?q=w_4000,h_2667,x_0,y_0,c_fill/h_447)
Iranian security guards Saudi Arabia's embassy in Tehran while a group of demonstrators gathered to protest on January 3.
![Protesters set fire to the Saudi Embassy in Tehran, Iran, on Saturday, January 2, during a demonstration against the execution of prominent Shiite Muslim cleric Nimr al-Nimr by Saudi authorities. Nimr was a driving force of the protests that broke out in 2011 in Saudi Arabia's east, an oil-rich region where the Shiite minority of an estimated 2 million people complains of marginalization.](https://media.cnn.com/api/v1/images/stellar/prod/160102191039-01-tehran-saudi-embassy-protests-0102.jpg?q=w_3000,h_2000,x_0,y_0,c_fill/h_447)
Protesters set fire to the Saudi Embassy in Tehran, Iran, on Saturday, January 2, during a demonstration against the execution of prominent Shiite Muslim cleric Nimr al-Nimr by Saudi authorities. Nimr was a driving force of the protests that broke out in 2011 in Saudi Arabia's east, an oil-rich region where the Shiite minority of an estimated 2 million people complains of marginalization.
![Smoke billows from the windows of the burning Saudi Embassy on January 2. A CNN producer in Tehran said some protesters made it inside the building, setting fire and ransacking some records.](https://media.cnn.com/api/v1/images/stellar/prod/160102192123-02-tehran-saudi-embassy-protests-0102-restricted.jpg?q=w_3000,h_2000,x_0,y_0,c_fill/h_447)
Smoke billows from the windows of the burning Saudi Embassy on January 2. A CNN producer in Tehran said some protesters made it inside the building, setting fire and ransacking some records.
![A firefighter sprays water on the flames on January 2 in Tehran, Iran, a Shiite-majority nation, issued a statement deploring the execution and warning that Saudi Arabia would pay a heavy price for its policies.](https://media.cnn.com/api/v1/images/stellar/prod/160102194523-06-tehran-saudi-embassy-protests-0102.jpg?q=w_3000,h_2000,x_0,y_0,c_fill/h_447)
A firefighter sprays water on the flames on January 2 in Tehran, Iran, a Shiite-majority nation, issued a statement deploring the execution and warning that Saudi Arabia would pay a heavy price for its policies.
![Iranian protesters gather outside the Saudi Embassy in Tehranon January 2. Saudi Arabia said it executed "terrorists" and told Iran to stay out of its internal affairs.](https://media.cnn.com/api/v1/images/stellar/prod/160102192838-03-tehran-saudi-embassy-protests-0102.jpg?q=w_3000,h_2000,x_0,y_0,c_fill/h_447)
Iranian protesters gather outside the Saudi Embassy in Tehranon January 2. Saudi Arabia said it executed "terrorists" and told Iran to stay out of its internal affairs.
![Several protesters were arrested, police officers at the embassy told CNN.](https://media.cnn.com/api/v1/images/stellar/prod/160102193052-04-tehran-saudi-embassy-protests-0102.jpg?q=w_2700,h_1800,x_0,y_0,c_fill/h_447)
Several protesters were arrested, police officers at the embassy told CNN.
![There was some damage near the back of the embassy building, witnesses and a police officer said. None of the Saudi diplomatic staff was in the embassy at the time.](https://media.cnn.com/api/v1/images/stellar/prod/160102193439-05-tehran-saudi-embassy-protests-0102.jpg?q=w_4592,h_2816,x_0,y_0,c_fill/h_447)
There was some damage near the back of the embassy building, witnesses and a police officer said. None of the Saudi diplomatic staff was in the embassy at the time.