PM Shehbaz thanks Turkish president for solidarity, support at 'critical time' / Erdogan's son says Russian, Turkish presidents contribute greatly to sports development / Opposition nominates Imamoglu as Turkey's presidential candidate / Turkish president due in Islamabad today / Turkish president arrives today / Turkish government establishes Family Institute, Population Policies Board / Turkish opposition leader rules out new constitution talks / Turkish government resubmits 'agents of influence' bill to parliament / Turkish presidential advisor believes Erdogan should serve another term / Russia, Turkey need better coordination between legislatures -- Turkish parliament speaker