The Court of Appeal will rule today on the legality of the Government's so-called "bedroom tax," which campaigners say unlawfully discriminates against the disabled.
Judges will also decide in a separate case whether or not the "benefit cap" violates human rights laws and the common law because of its impact on vulnerable families.
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It will be a misty and cloudy start in many southern and central parts which will slowly lift this morning.
The president-elect also warned US companies they would face "retribution" for setting up their business operations abroad.
Penalties of £100 or a court fine of up to £1,000 can now be handed to anyone caught lighting up in a private vehicle with someone under 18.