the heroes of ukraine. proud that mr putin s expectations of a weak and divided west have been met with a firm, united front against his war, president biden s biggest task now is trying to keep his allies as committed as he is, for as long as it takes. sarah smith, bbc news, warsaw. shamima begum, who left britain tojoin the so called islamic state, is due to find out whether she has won an appeal against the decision to remove her british citizenship. she was 15 when she and two other east london schoolgirls travelled to syria in february 2015. four years later, after she was found alive at a refugee camp, the then home secretary, sajid javid, removed her british citizenship. our home affairs correspondent daniel sandford reports. this was shamima begum in february 2015, eight years ago,