Zimbabwe's former Finance Minister and prominent lawyer Tendai Biti has been detained by police, along with several fellow activists, amid mounting tensions over President Emmerson Mnangagwa's bid to extend his stay in power. Biti's civic‑rights group, the Constitution Defenders Forum (CDF), said he had been organising a rally in Mutare at the time of his arrest. Police have not commented on Biti's detention, and his whereabouts were not immediately clear. Zimbabwe's cabinet last month backed