Nearly 300 Roma women and children fled their homes in Hungary as members of a far-right paramilitary group arrived for a three-day "training camp".
Europe slapped down France on Wednesday over its controversial expulsion of Roma Gypsies, threatening legal action.
The European Commission will not launch legal action against France on Wednesday over its expulsion of Roma migrants.
A European row over France’s repatriation of Roma migrants escalated on Friday, pitting President Nicolas Sarkozy against Germany’s Angela Merkel.
