Turkish President Recep Tayyip Erdogan on Friday urged post-Soviet countries in resource-rich Central Asia to ramp up ties with Ankara as he sought to take advantage of a weakening Moscow bogged down in Ukraine. “We are going through a fragile period that poses risks as well as opportunities to our countries,” Erdogan said at the Organisation of Turkic States (OTS) summit in Uzbekistan’s ancient city of Samarkand. “We see that it is critical more than ever for us to strengthen the cooperation, solidarity and harmony among us during this period,” the Turkish leader said during his third trip to…