The huge blast overnight at a fertiliser plant in Texas is likewise the subject of rampant speculation and conspiracy theorising on Twitter.

BBC: Boston's past lessons on the truths people believe

Military officials hoped the MOAB would create such a huge blast that it would rattle Iraqi troops and pressure them into surrendering or not even fighting.

CNN: MOAB bomb moved to Iraq war region

Yar Mohammad, a resident of Wana who witnessed the attack, told the Associated Press news agency that the blast was huge.

BBC: Mullah Nazir - 2007 - pic from Wana

And while e-mail databases exist that enable phishers, spammers and others to blast their messages to huge chunks of users at once, it's tougher to get lists of telephone numbers, much less numbers specifically for smartphone users.

CNN: Smartphone security threats likely to rise

One of his most popular films called Khalnayak (The Villain) ironically coincided with his arrest in the Mumbai blast case and became a huge hit.

BBC: Dutt made his name with macho, gangster roles

With most of the city's fire fighters killed in the first blast, the fire burned for 16 hours and caused another huge explosion.

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