Palestinian authorities said a grave site discovered at the Nasser hospital, the main medical facility in central Gaza, contained nearly 400 bodies
"The Alert Level in the entire Iraq has been raised to Alert Level 4 calling for mandatory evacuation," said Eduardo Menez, spokesman at the Department of Foreign Affairs.
Iran's missile attack on US-led forces in Iraq came in the early hours of Wednesday, hours after the funeral of Qassem Soleimani, the commander of the country's elite Quds Force who was killed in a US drone strike on Jan 3.