Liberia was declared free from Ebola by the government and the World Health Organisation (WHO) on Saturday after 42 days without a new case of the virus, which killed more than 4,700 people there during a year-long epidemic.
North Korea said on Saturday it had successfully conducted an underwater test-fire of a submarine-launched ballistic missile, which, if true, would indicate progress in the secretive state's pursuit of building missile-equipped submarines.
Thousands of policemen from around the United States gathered on Friday at the funeral of a 25-year-old New York City officer who was shot in the head while on patrol, making him the third member of the NYPD killed in the line of duty since December.
The U.S. military has ordered security at its bases around the United States to the highest level in nearly four years, Army Colonel Steve Warren, a Pentagon spokesman, said on Friday.
