Downed Malaysian airliner a 'challenge to whole world'

Ukrainian president Petro Poroshenko said the attack on the downed Malaysian Airliner is a "challenge to the whole world".

"Today's tragedy showed again that terrorism is notlocalised, but a world problem. And the external aggression against Ukraine is not just our problem, but a threat to European and global security," the president said on his website.

Read: Obama speaks to Ukraine and Malaysian leaders

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Investigators to examine second black box from MH17

Air investigators are to examine a second black box which was recovered from flight MH17 today. The data could reveal if the pilots were aware of a missile coming towards the plane and what happened in the last few seconds of the flight if they were able to speak.