European Politics Headlines at 3:04 p.m. GMT

Turkey, Russia deepen ties amid troubled relations with West

Kremlin: Trump invited Putin to White House, but no date set

Turkey seeks cleric's arrest over Russian envoy's killing

The Latest: White House among 'potential venues' for summit

Medical ethics: UK uses data from doctors to find migrants

Romania ex-president faces prosecution for revolution deaths

Russia asks chemical weapons agency for answers in spy case

UK Labour leader criticized for anti-Semitism in party

Hearts ache, anger surges after Siberian mall fire kills 64

Siberian governor resigns after devastating mall fire