Nigeria's president slams divisions after absence

Nigerian President Muhammadu Buhari took to state TV on Monday in his first speech since returning from a long medical absence in Britain, in a bid to dampen mounting separatist tensions in the country.The 74-year-old, who received treatment for an undisclosed condition in London, appeared thinner than usual as he read slowly from a prepared statement in which he also vowed to redouble the fight against Boko Haram jihadists."I was distressed to notice that some of the comments (in my absence), e