ankara turkey caution citizens saturday take care travel germany cite say upswing anti-turkish sentiment ahead german national election late month advisory likely exacerbate tensions two nato ally whose tie sour follow last year fail coup turkish president tayyip erdogan subsequent crackdown allege coup supporters political leadership campaign germany base anti-turkey sentiment prevent country eu membership political atmosphere ... actually effect far-right even racist rhetoric time turkey foreign mininstry say statement last weekend german chancellor angela merkel say televise election debate would seek end turkey membership talk european union apparent shift position infuriate ankara merkel whose conservative christian democrats cdu long skeptical turkey eu ambition expect win fourth term office germany sept. 24 election turkish citizens live plan travel germany cautious act prudently case possible incidents behavior verbal assault xenophobia racism foreign ministry say advisory mark reversal roles early year germany warn citizens travel turkey increase tensions protest ahead turkish referendum april 16 considerably expand erdogan power merkel eu leaders strongly criticize erdogan action since fail coup say purge turkey state institutions arm force amount deliberate attempt stifle criticism 50,000 people detain 150,000 suspend crackdown include journalists opposition figure german nationals also target turkey say purge necessary give extent security threat face turkey caution citizens travel 'anti-turkey germany