<span style="color: #222222;">United States President Donald Trump has threatened severe sanctions against Iraq after its Parliament called on US troops to leave the country. Yesterday, the Iraqi Parliament voted to expel the US troops from its territory.<br />''</span><br />''Iraq's move comes in response to the killing of Maj Gen Soleimani, the head of Iran's elite al-Quds force in a US drone attack on Friday. The strike also killed the Deputy Chief of Iraq's powerful Hashed al-Shaabi paramilitary force.<br />''<br />''<span style="color: #222222;">Soleimani's killing was the most dramatic escalation yet in spiralling tensions between Iran and the US, already hit by serious differences over Tehran's ambitious nuclear programme.</span>