The US government has voiced concern over Nigeria's decision to ban Twitter after the US social media giant deleted a tweet from President Muhammadu Buhari's account for violating its rules. Nigerian telecoms operators complied with a government directive on saturday to suspend access to Twitter. The diplomatic missions of the EU, US, Britain, Canada and Ireland issued a joint statement condemning the ban. Channel Africa's correspondent in Lagos, Collins Nosa Atohengbe has more...

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