President has fallen ill at height of campaign with what officials describe as an intestinal infection

Following two-day absence, Turkish leader appears via video link at inauguration of nuclear plant, as he seeks to project vigor after getting sick during live interview

Despite recent gains, top 6 opposition heads failing to capitalize on veteran leader's relative weakness, impeded by his stranglehold on media and courts

Opposition candidate Ekrem Imamoglu wins re-run of mayoral vote in landslide victory seen as blow to Turkish leader Recep Tayyip Erdogan

Erdogan's AKP party complains of irregularities after losing control of Turkey's largest city for the first time in 25 years; new vote set for June 23