(CNN) The US-led coalition to fight ISIS confirmed small rockets landed near the the heavily fortified Green Zone in Baghdad on Wednesday afternoon without causing any damage to coalition troops or facilities.

Col. Myles B. Caggins, a spokesperson for the US-led coalition fighting ISIS, said in a tweet that small "rockets impacted near Baghdad's International Zone, Jan. 8 at 11:45 p.m (local time)." Caggins added that there were "no coalition casualties or damage to facilities."

The Iraqi joint military command had earlier told CNN in Baghdad that "two Katyusha rockets landed inside the Green Zone in Baghdad. No reports of casualties."

The CNN team in Baghdad heard sirens from inside the Green Zone and two explosions. It was not immediately clear who had fired the rockets or where they were fired from.

The rockets landed a day after Iran fired more than a dozen missiles at Iraqi bases housing US troops. The attack on Tuesday from Iran did not cause any US or Iraqi casualties.

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