Some EU careworkers in Belgium receive around €400 a month - despite their carers paying €2,500 a month and paying for flights and accommodation. The answer lies in how firms can skirt the safeguards in the EU's posted workers directive.

The subject is mandatory by law in some form in nearly all EU countries - but it is mostly reproduction- and biology-centred, covering topics such as unwanted pregnancy and sexually-transmitted infections.

Europe's choice is between unplanned, reactive, fragmented, ineffective migration policy and planned, regulated, documented movements of people, writes International Rescue Committee chief David Miliband.

Germany's chancellor Angela Merkel and France's president Emmanuel Macron on Tuesday signed a joint declaration that offers concessions by both camps in terms of migration and the setting up of a eurozone budget.

The Hungarian government of Viktor Orban has said it will not wait until Friday, to hear a verdict of European legal experts on human rights, before going ahead with its bill curtailing NGOs who work with migrants.

Swedish nationalists have gambled on an in/out referendum to win votes in Europe's next big election, amid signs of new boldness in the far right.