UK Iraq
Boris Johnson's spokesperson, however, insists special relationship remains strong and defends US's right to "self defence".
"We will not lament his death": PM makes first statement after killing of general Qassem Soleimani sparks fears of war.
Tens-of-thousands of people filled the streets for the grand funeral procession.
The resolution was passed following the Trump-authorised killing of Iranian general Qassem Soleimani.
Thousands marched through Baghdad on Saturday for Iran’s top general, who was killed in a US airstrike.
The government has changed its advice amid escalating tensions in the wake of Trump's assisination of Iranian general Soleimani.
Amid flames and gunfire, demonstrators chanted: “No, no, America! No, no, Trump!”
On Tuesday, the government proposed new social reforms in a bid to quell the unrest.
At least 72 people have been killed just this week.
The prime minister once supported the idea of impeaching Tony Blair over the Iraq war. Now Plaid Cymru are urging other parties to consider the unusual move.