People attend protest outside British embassy in Tehran, Iran

A man with a picture of Iranian commander Qasem Soleimani on his shirt attends a protest outside the British embassy in Tehran, Iran, Jan. 12, 2020. Iran's Foreign Ministry on Sunday summoned Robert Macaire, the British ambassador to Iran, for what it called the envoy's "unusual behavior" and "attending an illegal gathering" in Tehran. Iranian officials detained Macaire on Saturday amid an anti-government gathering outside of a university in Tehran. He was released about an hour later. (Photo by Ahmad Halabisaz/Xinhua)