US
US strike killed a top Iranian commander last week and Iran launched retaliation strikes on Wednesday
Several other countries, including Germany and Romania, announced plans to move their forces
Troops can be brought back at any time if the training in Iraq is to resume, says German military spokesperson
Some 5,200 US soldiers are stationed across Iraqi bases to support local troops preventing a resurgence of IS
Scale of the crowds in Tehran shown on television seemed to be the biggest since 1989
Says his tweet would serve as prior notification if he did decide to strike against Iran again
Supreme leader Ayatollah Ali Khamenei vowed "severe revenge" and declared three days of mourning
Warning from Kataeb Hezbollah came as tens of thousands mourne death of Iran's Maj Gen Qasem Soleimani
On Friday, the US military killed Soleimani in an airstrike which sparked fears of a new war in the Middle East
He was killed in a drone strike just outside the Baghdad airport shortly after flying in to meet with Iranian allies