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Hello, welcome to News Hour from the BBC World Service. Coming to you live from London, I'm Paul Henley, coming up on the program.

We'll be hearing more about how one of the most important human discoveries of all time was made, how to light a fire much earlier than we thought.

But first, the question of immigration has become a big concern in many European countries in recent years. It's the

impetus behind the ascent of far-right politicians across the continent. Populist leaders argue with the

support of the US government that a surplus of immigrants is damaging national cultures and traditions.

In France and in the UK, populist parties currently lead in the opinion polls.

Well, today, all 46 countries that are signed up to the European Convention on Human Rights

have agreed to rethink the obligations it poses on the way they handle immigration.

The Convention has been the foundation stone of human rights in Europe since its formation in 1953.

Several governments have complained that they are unable to return immigrants who arrive without permission

because of the way the Convention's rules are interpreted, and a majority of member states, 27,

has united to press for changes to specific aspects of the agreement.

Speaking to me from Strasbourg in France, where the European Court of Human Rights is based,

the legal commentator Joshua Rosenberg told me why today had been significant.

A lot of countries in Europe have been raising concerns

that the Human Rights Convention has made it difficult for

them to deal with the problem of irregular migration, as they call it. Migrants coming into the

country, breaking the laws, and then claiming that they should not be sent back where they came

from, either because they

claim that they would face inhuman or degrading treatment in the countries where they've

come from, or because they have established a family in the United Kingdom or wherever they

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