David Cameron hopes the Fostering For Adoption scheme will give children a better start in life by ensuring they have a stable home as quickly as possible.
Cameron said: "I'm determined that we act now to give these children the very best start in life.
"These babies deserve what every child deserves: a permanent, secure and happy home environment to grow up in."
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British soldiers will join troops from some 30 countries who work in the country.
The demand comes after the Prime Minister urged a "grown up" relationship between her government and the devolved administrations.
The rapper failed to make it to London in time as he had problems with his passport.