Around the World in Pictures: Week of April 18-25

Updated: 04/25/2014 7:14 PM KSTP.com By: Heidi Enninga

 	Michael Phelps warms up prior to a 50-meter freestyle preliminary heat at the Arena Grand Prix swim event Friday in Mesa, Ariz. It is Phelps' second competitive event after a nearly two-year retirement.
Michael Phelps warms up prior to a 50-meter freestyle preliminary heat at the Arena Grand Prix swim event Friday in Mesa, Ariz. It is Phelps' second competitive event after a nearly two-year retirement.
Photo: Photo: AP/Matt York

Here are the top photos from events happening around the world for the week of April 18-25.

Among the events making world headlines are the Boston Marathon, unrest in Ukraine, and frustration with the search for victims from the sinking of a South Korea ferry accident.