Babies taken into care will be looked after by the families who hope to adopt them under government plans to reduce the disruption that many suffer in real life.
David Cameron has told The Times that ministers will legislate to make fostering by approved adopters 'standard practice' for infants under 1, so they can have a more stable side.
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The suspect, 35-year-old Willie Corey Godbolt, has been arrested and was being treated for a gunshot wound in hospital.
Mohanna Abdhou, known as Montana, was out with friends when two attackers cycled up to them and opened fire in Brent, north-west London.
The US president tweeted that Mrs May gave him "full details" of the incident during talks while he attended summits in Europe.