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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He suggested people who are not concerned about the new notes donate their bodies for 'decorative use in future five pound notes'.
Tens of thousands of people lined the streets of Chapecó for a memorial ceremony honouring footballers killed in a plane crash.
Drivers with remote locking vehicles are being advised to manually check their cars are locked before leaving them.