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Turkey imposes news blackout on 'gruesome' blast images

Turkey's government says it has imposed a temporary news blackout following two blasts that killed 86 people who were gathering for a peace rally in the capital Ankara. The attack was Turkey's deadliest in recent years.

Twitter back online after limited blackout

Twitter was back online Monday following a partial outage which the company said was due to a bug.

BlackBerry blackout is new threat to brand

The three-day blackout interrupted email and Internet services for tens of millions of frustrated users and inflicted more damage on an already tarnished brand.