But from 2006, most countries lifted the restrictions on workers from the Czech Republic, Hungary, Slovakia, Slovenia, Latvia, Lithuania, Estonia and Poland.

BBC: EU chides UK over migrant workers from Eastern Europe

Centerra had a brief issue with its Kumtor mine, located in the Kyrgyz republic, when workers went on strike last month.

FORBES: Centerra Gold Expects To Have A Busy 2012 -- President & CEO

From Syria to the Sahel, Yemen to Sudan, the eastern Horn of Africa to the eastern Democratic Republic of Congo, these unarmed aid workers risk their lives to provide life-saving assistance to millions of men, women and children.

WHITEHOUSE: Statement by the Press Secretary on World Humanitarian Day

In 2004, the-then Labour government allowed free migration to the UK for workers from EU accession states including Poland, Hungary and the Czech Republic.

BBC: UK Politics

Fernandopulle got the idea from the promotoras, community health workers, whom he had seen on a medical mission in the Dominican Republic.

NEWYORKER: The Hot Spotters

Aid workers are hoping the U.N. will have an easier time getting the governments of the Central African Republic and Chad to open the door for better security.

NPR: U.N. Weighs Force to Protect Darfur Aid Efforts