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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.

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US believes separatists shot down MH17 'by mistake'

US intelligence officials said they believe pro-Russian separatists in eastern Ukraine probably shot down MH17 "by mistake".

However, the US admitted not knowing exactly who fired the surface-to-air missile that downed the Malaysian Airlines plane.

Russia is continuing to deliver more weapons, including rockets and tanks, to separatists, officials added.

The intelligence officials also said the US did not know separatists had Russian SA-11 missiles until after the plane was hit.

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