The Nigeria government says it will take tough action against politicians stirring up violence, after more than 100 deaths in religious riots. Information Minister Frank Nweke said the authorities had heard of plans to provoke student demonstrations during the forthcoming census. Nigeria’s political temperature is rising ahead of next year’s elections. President Olusegun Obasanjo, a southern Christian, has fallen out with Muslim Vice-President Atiku Abubakar. There are moves to change the constitution to enable Mr Obasanjo to contest a third term. Full Story