KYIV – Pavel Sheremet, an award-winning journalist whose reporting challenged the authorities in Belarus, Russia and Ukraine over the past two decades, was killed on July 20 when the car he was driving was destroyed by a bomb in downtown Kyiv. Ukrainian Prosecutor General Yuriy Lutsenko called Mr. Sheremet’s death a “murder,” saying the blast…...

Pavel Sheremet in a photo posted on his Facebook page in November 2013.