US tightens arrival rules for Ebola
The United States has tightened restrictions on travellers arriving from the West African countries gripped by an Ebola outbreak, funnelling them through five airports with extra health checks.
The Department of Homeland Security has ordered passengers whose journeys begin in Guinea, Liberia or Sierra Leone to fly to New York's JFK or Newark airports, Washington Dulles, Atlanta or Chicago.
There are no direct scheduled flights to the US from the three countries at the heart of the Ebola epidemic, but travellers from the region can transfer through African and European hubs.
Health authorities have set up