Editor's Note: The following is a statement from Ukrainian President Petro Poroshenko on the second anniversary of the July 17 shooting down of the MH17 airline over Ukraine, killing 298 people.
Poroshenko: Those responsible for MH17 tragedy must be brought to justice

This file photo taken on April 23, 2015 shows Dutch and Malaysian investigators and local authorities working on the site where the bulk of the Malaysian Airlines flight MH17 was shot out of the sky near the village of Grabove in the self-proclaimed Donetsk People's Republic (DNR). The families of the 298 people who died when flight MH17 was downed over Ukraine are steeling themselves for a slew of bitter legal battles, on the eve of the tragedy's second anniversary.