FELIX ONUAH NIGERIA should sanction CNN for its report that the country's military shot and killed protesters demonstrating against police brutality, a minister has said. Nigeria Information Minister Lai Mohammed. Picture: Flickr The U.S. broadcaster used "unverified and possibly doctored videos" and "information from questionable sources" in the report, information minister Lai Mohammed told a news conference in Abuja. When asked, Mohammed did not specify how the government might sanction CNN. He said he believes it has internal systems for dealing with erring staff, and that Nigerian authorities would also do what was necessary. CNN did not immediately respond to…