Malaysia’s civil servants have been warned of possible disciplinary action if they join a protest on Saturday calling for Prime Minister Anwar Ibrahim’s resignation, as the opposition claims hundreds of thousands are being mobilised for the rally.The “Turun Anwar” (Anwar Resign) demonstration is the first mass rally that directly challenges the prime minister, whose reform movement once popularised street protests in the country against his rivals.Organised by the Islamist party PAS and the...