Suspends Twitter suspends the account of Nigerian President Muhammadu Buhari for 12 hours for posting a tweet invoking the violence of the Nigerian Civil War, where he fought as a major general, in his threats against the Biafran separatist group Indigenous People of Biafra (IPOB). Authorities blame IPOB for a recent series of attacks on government buildings in Rivers State. Twitter removes Nigerian president’s ‘abusive’ civil war post © Al Jazeera English Sources: Al Jazeera English