An experimental Ebola vaccine is now being tested in people, according to scientists who say the drug has shown promising results tested on monkeys. The small clinical trial is using healthy human volunteers.
Sierra Leone will impose a three-day lockdown on all its citizens, as part of a plan to "deal with Ebola once and for all," the government says. The move is an effort to stop the disease that has killed over 2,000 people in five West African countries, according to World Health Organization data.
North Korea has given foreign media access to three detained Americans who said they have been able to contact their families and --- watched by officials as they spoke --- called for Washington to send a representative to negotiate for their freedom.
Iraqi security forces backed by Shiite militias and U.S. airstrikes have reportedly entered the northern town of Amerli, where Islamic State militants have laid siege to the town for weeks, prompting fears of a sectarian massacre.
Ukranian President Petro Poroshenko says Russian troops entered his country on Thursday. He was canceling a trip to Turkey and he was asking the United Nations Security Council to meet to provide an assessment of the "sharp aggravation of the situation in Ukraine."