Russian aggression is a threat to global security, Ukraine president says after MH17 crash - video

In a televised address, Ukrainian president, Petro Poroshenko, appeals to the global community to treat the missile attack on MH17 as more than just a local problem, calling the attack an act of terrorism and a wake-up call for the whole world. Investigations are continuing as suspicions mount that pro-Russian separatists shot down the plane