The US State Department has renewed it's commitment to its alliance with Turkey, after the Turkish president lashed out at the US over its support for Syria's main Kurdish group.
President Erdogan said the US's failure to recognise the Democratic Union Party (PYD) as a terrorist group was creating a "sea of blood".
The US relies on the PYD to fight IS in Syria but Turkey says it is an off shoot of the banned Kurdistan Worker's Party (PKK).
State Department spokesman Mark Toner said the US is in constant communication with the Turkish government to address any concerns.
IN:"They're a..."
OUT: "within syria"
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