Business in Niger brought to standstill after Nigeria's border closure People who rely on trade between Niger and Nigeria call for the border to be reopened as its closure "is a great setback for business." On August 19, President Muhammadu Buhari dramatically closed Nigeria's land frontiers to goods traded with Benin, Cameroon, Chad and Niger, saying its economy needed to be protected from rampant smuggling. IMAGES AND SOUNDBITES