Iraqi protesters withdrew from the perimeter of the U.S. Embassy compound in Baghdad on the second day of demonstrations against deadly U.S. airstrikes last weekend, U.S. officials said.

"All protesters withdrew from the area in front of the US embassy and left the Green Zone. The embassy is now completely surrounded and secured by security forces," the Joint Operation Command said Wednesday.

Earlier Wednesday, U.S. security forces had fired tear gas into the crowd.

Read more: NBC News