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EPA
Turkish-backed forces are poised to launch an offensive against Kurdish fighters in northern Syria
US President Donald Trump has threatened to “devastate Turkey economically” if it attacks Kurdish forces in Syria following a planned pullout of US troops.
In two tweets on Sunday, Mr Trump said that he didn’t want the Kurds to provoke Turkey either.
US forces have fought alongside a Kurdish militia in northern Syria against the Islamic State (IS) group.
Turkey, however, regards the People’s Protection Units (YPG) as terrorists.
President Recep Tayyip Erdogan has spoken angrily about American support for the group and vowed to crush it.
Mr Trump’s comments on Sunday followed further criticism of his abrupt decision to withdraw US forces from Syria.
A senior figure in Saudi Arabia’s royal family, Prince Turki al-Faisal, told the BBC it would have a “negative impact” that would benefit Iran, Russia and Syria’s President Bashar al-Assad.
US Secretary of State Mike Pompeo is currently in the Saudi capital Riyadh as he tours the Middle East to reassure US allies in the region.
What did Mr Trump say?
The president defended his decision to withdraw troops, saying any remaining IS fighters could be attacked from an unspecified “existing nearby base”.
He did not say how Turkey’s economy would suffer if it attacked the YPG. He mentioned a “20-mile safe zone” but again did not give details.
Mr Trump also said that Russia, Iran and Syria had been the biggest beneficiaries of US action in Syria and it was time to bring American soldiers home.
President Trump shocked allies and faced strong criticism at home last month when he ordered US forces to immediately begin withdrawing from the approximately 30% of Syria controlled by the YPG-led Syrian Democratic Forces (SDF) alliance.
What has Mike Pompeo said?
Over the weekend, Mr Pompeo said he had spoken to Turkish Foreign Minister Mevlut Cavusoglu by phone and was “optimistic” that an agreement could be reached with Turkey to protect Kurdish fighters.
Speaking in Abu Dhabi, Mr Pompeo said the US recognised “the Turkish people’s right and Mr Erdogan’s right to defend their country from terrorists”.
“We also know that those fighting alongside us for all this time deserve to be protected as well,” he added.
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Reuters
Mike Pompeo is on a politically sensitive visit to the Middle East
In Riyadh, the secretary of state is expected to discuss Iran and the conflicts in Yemen and Syria, US media report, as well as seeking an update on the investigation into the murder of journalist Jamal Khashoggi.
Mr Khashoggi, a critic of Saudi Arabia’s rulers, was murdered at the Saudi consulate in Istanbul three months ago.
How many US troops are in Syria?
About 2,000 US military personnel are reported to be deployed in northern Syria.
Ground troops first arrived in autumn 2015 when then-President Barack Obama sent in a small number of special forces to train and advise YPG fighters.
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The US did this after several attempts at training and arming Syrian Arab rebel groups to battle IS militants descended into chaos.
Over the intervening years the number of US troops in Syria has increased, and a network of bases and airfields has been established in an arc across the north-eastern part of the country.