The World Tonight

A US judge has temporarily blocked the detention of British social media campaigner Imran Ahmed, who took legal action against the US government over having his visa removed. The Center for Countering Digital Hate founder was among five people denied US visas after the Trump administration accused them of seeking to "coerce" tech platforms into censoring free speech. He told us he is being targeted for his work monitoring social media giants.Also on the programme: as the US carries out missile strikes against alleged Islamist targets in northern Nigeria we hear from a BBC reporter on the ground; and research finds women were more likely to be portrayed performing traditional roles in TV adverts this year, we ask why.

Two British campaigners are among those US has denied visas for being 'radical activists'. We have reaction from a Labour MP. Also: Bethlehem and Ukraine on Christmas Eve, diplomatic gifts, Winnie The Pooh.at 100, and the Colorado military base that tracks Santa.

Pro-Palestinian remand prisoners staging the largest organised hunger strike in over 40 years are to continue, after the government refused a meeting. We hear from the sister of one of them - and ask whether the government should now intervene.Also on the programme:The latest Epstein files include an email from Balmoral in which Ghislaine Maxwell is asked if she's found some new "inappropriate friends". We have the latest.And what do Christmas cracker jokes do to our brains?

The government says it will prohibit trail hunting too as part of its Animal Welfare Strategy, 21 years after banning fox hunting. We hear from a former Conservative minister and a Labour MP on a tradition that divides the country - and ask whether Labour's relationship with farmers is terminally broken.Also:Remembering Chris Rea, the self-effacing singer-songwriter from Middlesbrough whose deep gravelly voice beguiled millions, though not always himself.And amid calls for every school to have a choir, we hear what impact regular singing has had in one primary school in London.