Protesters set fire to a guard room outside the U.S. embassy in Baghdad, Iraq on Dec. 31, 2019. Hundreds of demonstrators, participating in mourning for the Hashd Shaabi members killed by U.S. attack in Iraq, stormed the U.S. embassy in Baghdad's Green Zone on Tuesday, a security official said. Many of the protesters, wearing Hashd Shaabi's military uniforms, rallied outside the embassy chanting slogans condemning airstrikes by the U.S. forces against Hashd Shaabi bases in Iraq. (Xinhua/Khalil Dawood)