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&lt;a href=&quot;http://www.cnn.com/2016/01/03/middleeast/saudi-arabia-executes-dozens-terror/index.html&quot; target=&quot;_blank&quot;&gt; Saudi Arabia is severing ties with Iran &lt;/a&gt;after an attack on the embassy.