LONDON (Reuters) – Europe’s STOXX 600 index erased all earlier gains on Friday and fell as much as 0.5% after a separatist leader in eastern Ukraine announced the evacuation of his breakaway region’s residents to Russia. The Russian-backed separatist leader, Denis Pushilin, said on social media that Russia had agreed to provide accommodation for people leaving. Germany’s DAX, which is very sensitive to a potential conflict in Ukraine, fell more than 1% and briefly touched its lowest level since Monday, when the index tumbled to its lowest level in four months. (Reporting by Joice Alves; editin…