Tigrayan forces capture regional capital, Mekelle

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We hear from an advisor to the Tigrayan TPLF on the government's decision to call a ceasefire on humanitarian grounds. After the two countries normalised relations last year, Israel's new foreign minister visits the United Arab Emirates - the first known visit by a top Israeli diplomat there. And how genetically modified cancer-killing cells can destroy malignant tumours: the lead author of the study explains the breakthrough.