Turkish jets have begun an aerial offensive against the Syrian Kurdish-held enclave of Afrin in north-western Syria, Turkish Prime Minister Binali Yildirim said.

Turkish Prime Minister Binali Yildirim says the United States has made inconsistent statements about its plans to create a Kurdish-led Syrian border guard.

Turkish president Recep Tayyip Erdogan has formally asked his trusted ally, the transport and communications minister Binali Yildirim, to form Turkey's next government.