Here’s a brief look at some of the top news stories around the world for Oct. 22, 2015.
Clinton testifies on Benghazi
Amid her run for the White House, Democratic presidential frontrunner Hillary Clinton on Thursday testified before a U.S. House committee on the Benghazi terrorist attack in 2012, when she was secretary of state. In a testimony that became emotional at times, Republicans grilled Clinton on her handling of the assault that killed the U.S. ambassador to Libya and other Americans.
[Read more from CNN]
American rescuer killed in Iraq hostage operation
The Pentagon is reporting that a U.S. armed services member was killed Thursday during the rescue of 70 hostages facing "imminent mass execution" by Islamic State forces. However, the combined effort of U.S. special forces and Iraqi military units freed the northern Iraqi prisoners. The unidentified service member is the first American killed in the U.S. campaign against ISIS.
[Read more from ABC News]
Woman who has nose for Parkinson's may revolutionize diagnosis
Based on a woman's seemingly extraordinary sense of smell, scientists are working on a new and simpler method for diagnosing Parkinson's Disease. Joy Milne is said to have smelled a subtle change in her husband's scent before his eventual diagnosis with the illness. Subsequent testing suggested the apparent talent wasn't a fluke. The new "swab" test would detect signs of Parkinson's in chemicals on the skin.
[Read more from UPI]