Further to our earlier letter on restriction of international flights into Nigeria, we wish to inform you that effective Monday 23rd March at 23002 to 23rd April at 2300Z, Murtala Muhammed Airport, Lagos (DNMM) and Nnamdi Azikwe International Airport Abuja (DNAA) will be closed to all International flights. Emergency and essential flights are exempted from this restriction. This is in addition to the closure of Mallam Aminu Kano International Airport, Kano (DNKN), Akanu Ibiam International Airport, Enugu (DNEN) and Port-Harcourt International Airport, Omagwa (DNPO) effective Saturday 21 March at 2300Z.