When 20-year-old Ozgecan Aslan was stabbed and beaten to death after trying to fight off a man bent on raping her on a minibus, Turkey's president called violence against women the country's "bleeding wound".
A video purportedly made by Islamic State and posted on social media sites on Sunday appeared to show militants shooting and beheading about 30 Ethiopian Christians in Libya.
U.S President Barack Obama and Tunisian President Beji Caid Essebsi will meet in Washington next month to discuss security and economic issues, including the situation in neighboring Libya, the White House said in a statement on Monday.