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- Protesters chant slogans and hold up posters of Gen. Qassem Soleimani during a demonstration in front of the British Embassy in Tehran, Iran, Sunday, Jan. 12, 2020. A candlelight ceremony late Saturday in Tehran turned into a protest, with hundreds of people chanting against the country's leaders — including Supreme Leader Ayatollah Ali Khamenei — and police dispersing them with tear gas. Police briefly detained the British ambassador to Iran, Rob Macaire, who said he went to the Saturday vigil without knowing it would turn into a protest. (AP Photo/Ebrahim Noroozi)
- Hardline protesters chant slogans while holding up a poster of Gen. Qassem Soleimani and Supreme Leader Ayatollah Ali Khamenei, during a demonstration in front of the British Embassy in Tehran, Iran, Sunday, Jan. 12, 2020. A candlelight ceremony late Saturday in Tehran turned into a protest, with hundreds of people chanting against the country's leaders — including Supreme Leader Ayatollah Ali Khamenei — and police dispersing them with tear gas. Police briefly detained the British ambassador to Iran, Rob Macaire, who said he went to the Saturday vigil without knowing it would turn into a protest. (AP Photo/Ebrahim Noroozi)
- Protesters chant slogans while holding up posters of Gen. Qassem Soleimani during a demonstration in front of the British Embassy in Tehran, Iran, Sunday, Jan. 12, 2020. A candlelight ceremony late Saturday in Tehran turned into a protest, with hundreds of people chanting against the country's leaders — including Supreme Leader Ayatollah Ali Khamenei — and police dispersing them with tear gas. Police briefly detained the British ambassador to Iran, Rob Macaire, who said he went to the Saturday vigil without knowing it would turn into a protest. (AP Photo/Ebrahim Noroozi)
- TEHRAN, IRAN - JANUARY 12 : Iranians gather to take part in an anti-government protest around Azadi square in Tehran, Iran on January 12, 2020. (Photo by Stringer/Anadolu Agency via Getty Images)
- TEHRAN, IRAN - JANUARY 12 : Iranians gather to take part in an anti-government protest around Azadi square in Tehran, Iran on January 12, 2020. (Photo by Stringer/Anadolu Agency via Getty Images)
- TEHRAN, IRAN - JANUARY 12 : Iranians gather to take part in an anti-government protest around Azadi square in Tehran, Iran on January 12, 2020. (Photo by Stringer/Anadolu Agency via Getty Images)
- TEHRAN, IRAN - JANUARY 12: Protesters chant slogans while holding up posters of Gen. Qassem Soleimani during a demonstration in front of the British Embassy on January 12, 2020 in Tehran, Iran. A candlelight vigil held late on Saturday in Tehran, to remember the victims of the Ukrainian plane crash, turned into a protest with hundreds of people chanting against the country's leaders including Supreme Leader Ayatollah Ali Khamenei and police dispersing them with tear gas. Police briefly detained the British ambassador to Iran, Rob Macaire, who said he went to the Saturday vigil without knowing it would turn into a protest. (Photo by Majid Saeedi/Getty Images)
- TEHRAN, IRAN - JANUARY 12: Iranians gather in front of Embassy of the United Kingdom to protest against British Ambassador Rob Macaires attendance to a protest last night at Amirkabir University in Tehran, Iran on January 12, 2020. The ambassador was detained during a protest Amirkabir University in Tehran but was released after an-hour-long detention, according to local reports. (Photo by Fatemeh Bahrami/Anadolu Agency via Getty Images)
- TEHRAN, IRAN - JANUARY 12: Iranians gather in front of Embassy of the United Kingdom to protest against British Ambassador Rob Macaires attendance to a protest last night at Amirkabir University in Tehran, Iran on January 12, 2020. The ambassador was detained during a protest Amirkabir University in Tehran but was released after an-hour-long detention, according to local reports. (Photo by Fatemeh Bahrami/Anadolu Agency via Getty Images)
- Iranian demonstrators hold placards bearing the image of slain military commander Qasem Soleimani in front of the British embassy in the capital Tehran on January 12, 2020 following the British ambassador's arrest for allegedly attending an illegal demonstration. - Chanting "Death to Britain", up to 200 protesters rallied outside the mission a day after the brief arrest of British ambassador Rob Macaire at a memorial for those killed when a Ukraine airliner was shot down. (Photo by ATTA KENARE / AFP) (Photo by ATTA KENARE/AFP via Getty Images)
- Iranian security forces stand guard in front of the British embassy in the capital Tehran on January 12, 2020 during demonstrations following the British ambassador's arrest for allegedly attending an illegal demonstration. - Chanting "Death to Britain", up to 200 protesters rallied outside the mission a day after the brief arrest of British ambassador Rob Macaire at a memorial for those killed when a Ukraine airliner was shot down. (Photo by ATTA KENARE / AFP) (Photo by ATTA KENARE/AFP via Getty Images)
- Iranian security forces stand guard in front of the British embassy in the capital Tehran on January 12, 2020 during demonstrations following the British ambassador's arrest for allegedly attending an illegal demonstration. - Chanting "Death to Britain", up to 200 protesters rallied outside the mission a day after the brief arrest of British ambassador Rob Macaire at a memorial for those killed when a Ukraine airliner was shot down. (Photo by ATTA KENARE / AFP) (Photo by ATTA KENARE/AFP via Getty Images)
- TEHRAN, IRAN - JANUARY 12: Iranians gather in front of Embassy of the United Kingdom to protest against British Ambassador Rob Macaires attendance to a protest last night at Amirkabir University in Tehran, Iran on January 12, 2020. The ambassador was detained during a protest Amirkabir University in Tehran but was released after an-hour-long detention, according to local reports. (Photo by Fatemeh Bahrami/Anadolu Agency via Getty Images)
- TEHRAN, IRAN - JANUARY 12: Protesters chant slogans and hold up posters of Gen. Qassem Soleimani while burning representations of British and Israeli flags, during a demonstration in front of the British Embassy on January 12, 2020 in Tehran, Iran. A candlelight vigil held late on Saturday in Tehran, to remember the victims of the Ukrainian plane crash, turned into a protest with hundreds of people chanting against the country's leaders including Supreme Leader Ayatollah Ali Khamenei and police dispersing them with tear gas. Police briefly detained the British ambassador to Iran, Rob Macaire, who said he went to the Saturday vigil without knowing it would turn into a protest. (Photo by Majid Saeedi/Getty Images)
- TEHRAN, IRAN - JANUARY 12: Protesters chant slogans and hold up posters of Gen. Qassem Soleimani while burning representations of British and Israeli flags, during a demonstration in front of the British Embassy on January 12, 2020 in Tehran, Iran. A candlelight vigil held late on Saturday in Tehran, to remember the victims of the Ukrainian plane crash, turned into a protest with hundreds of people chanting against the country's leaders including Supreme Leader Ayatollah Ali Khamenei and police dispersing them with tear gas. Police briefly detained the British ambassador to Iran, Rob Macaire, who said he went to the Saturday vigil without knowing it would turn into a protest. (Photo by Majid Saeedi/Getty Images)