Erdoğan hosts Russia defense chief amid Syria border tensions

Turkish President Recep Tayyip Erdoğan held talks with Russian Defense Minister Sergei Shoigu in Istanbul on July 2, as tension soared on the Syrian border between Turkish troops and the Syrian Kurdish People's Protection Units (YPG), which Ankara views as a terrorist group linked to the outlawed Kurdistan Workers' Party (PKK). 

Cooperation between Turkey and Russia has tightened markedly since last year, with the two countries jointly sponsoring peace talks in the Kazakh capital Astana. 

The June 2 meeting took place at Istanbul's Tarabya Palace by the Bosphorus, the Presidential Office stated, with images showing Turkish Chief of Staff Hulusi Akar and National Intelligence Organization (MİT) chief Hakan Fidan also in attendance, as a Russian team accompanied Shoigu. 

Turkish troops and YPG militants have repeatedly exchanged cross-border fire in recent days, with Ankara announcing its concerns over the YPG's presence in Afrin, a spot close to the Turkish border. 

The Sabah newspaper reported on July 2 that pro-Ankara Syrian rebels were on standby for an operation against the YPG and Russia could ensure security in the air.

Asked about the possibility of an operation around Afrin, presidential spokesman Ibrahim Kalin said on July 1 that Turkey "is taking all measures to protect our borders and national security."

Last August, Turkey launched its Euphrates Shield cross-border operation aimed at clearing the border zone in northern Syria of both the YPG fighters and jihadists. The operation was wound up in March, before NATO-ally Turkey, Russia, and Iran agreed in a memorandum signed on May 4 to establish four separate de-escalation zones in Syria for at least six months.

Parties are working on a...