Gunfire and explosions have rocked Mali's capital Bamako and other key cities in one of the most significant coordinated attacks in years, as armed groups, including jihadist insurgents and separatist rebels exploit worsening insecurity in the Sahel region.

Two runners in this week's Boston Marathon stopped to help a racer who had collapsed just short of the finish line. NPR's Scott Simon says their generosity is its own kind of "personal best."

Three appellate immigration judges sided with Department of Homeland Security lawyers who appealed a decision from Immigration Judge Michael Pleters terminating removal proceedings for DACA recipient Catalina "Xóchitl" Santiago.