Relatives of a Washington state teen accused of a high school shooting rampage said on Saturday that they were living in a "nightmare" and struggling to understand why the boy targeted his two cousins and several friends before killing himself.
Mauritania has closed its border with Mali to prevent the spread of Ebola, officials said on Saturday, highlighting fears of further contagion in West Africa after a girl from Guinea died of the disease in Mali this week.
As the U.S. Ambassador to the United Nations embarked on a trip to West Africa, new rules in three U.S. states mandating quarantine for health workers returning from the Ebola-stricken region drew criticism, even as some U.S. lawmakers called for a travel ban on the three worst-hit countries.