FREETOWN, Sept 5 (Reuters) – Sierra Leone will impose a four-day, countrywide “lockdown” starting Sept. 18, an escalation of efforts to halt the spread of Ebola across the West African nation, a senior official in the president’s office said on Friday.

Source: http://feeds.reuters.com/~r/reuters/AfricaNigeriaNews/~3/JV2IeGXDNGM/idAFL5N0R64J020140905