Donald Trump accused Iran of orchestrating the attack on the US embassy in Baghdad as he said he expected Iraq to “use its forces” to intervene. "Iran will be held fully responsible for lives lost, or damage incurred, at any of our facilities. They will pay a very BIG PRICE! This is not a Warning, it is a Threat," he wrote on Twitter. "The US Embassy in Iraq is, & has been for hours, SAFE! Many of our great Warfighters, together with the most lethal military equipment in the world, was immediately rushed to the site," Mr Trump intensified pressure on the Iraqi authorities who had been powerless to prevent hundreds of demonstrators breaching the outer wall of the embassy compound in the heavily fortified green zone. He pressed the case for action in a call to Iraq's caretaker Prime Minister Adel Abd al-Mahd, urging him to protect US personnel and property. Chanting "death to America", the protesters set fire to a sentry box, pulled security camer...