The world in photos this week

A selection of photos from some of this week's biggest news that you might have missed.

Cars of emergency services arrive after an explosion in Ankara, Turkey, February 17, 2016.

Harper Lee, author of "To Kill A Mockingbird" passed away on February 19. In this photo, US President George W. Bush (L) awards the Presidential Medal of Freedom to Lee (C) in the East Room of the White House, November 5, 2007.