Here's a brief look at some of the top news stories around the world for Jan. 23, 2015.
After Saudi king's death, successor swiftly takes over
The King of Saudi Arabia, Abdullah bin Abdulaziz, died Thursday, at the age of about 90 years old. His half-brother, 79-year-old Salman Bin Abdulaziz, was named successor shortly after Abdullah's death.
[Read more from BBC News]
Drug tests for welfare recipients moving ahead in Wisconsin
Wisconsin Gov. Scott Walker is continuing to push forward a plan that would require able-bodied adults to be drug tested if they receive food stamps, public health care, or unemployment benefits.
[Read more from the Milwaukee Journal Sentinel]
Ebola vaccines being tested again in Africa
An experimental Ebola vaccine was slated to arrive in West Africa Friday, as trials of the drug continue. There are a handful of other vaccines also scheduled to be tested.
[Read more from CNN]
Death of Argentinian investigator probed
A prosecutor who worked for Argentina's government was found dead Sunday – and country officials now say they believe he was killed by rogue members of the official intelligence service. The victim was investigating a 1994 bombing, and was supposed to appear before Congress Monday.
[Read more from Reuters]