A West African court has said that Nigerian authorities could not prosecute people for using Twitter while it considered a suit seeking to overturn a ban on its use, a non-governmental group that initiated the legal action said. The government on June 4 indefinitely suspended Twitter, two days after the social media platform removed a post from President Muhammadu Buhari that threatened to punish regional secessionists, which Twitter said violated its rules. Soci-Economic Rights and Accountability Project (SERAP), a Nigerian NGO, along with other groups, went to court to fight the ban, arguing that it was a violation of human…