West Midlands Police are using the Twitter hashtag #brumbaby in their appeal for information after a baby was discovered in a Birmingham park.
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The former prime minister made the comments as he prepares to return to politics saying he wants to be "part of the debate" on Brexit.
The new measures would mirror childcare vouchers and see workers sacrifice some of their salary to benefit.
Google, Facebook and Twitter could face multi-million pound fines over their failure to remove illegal content, MPs say.