The story

A group calling itself the Deccan Mujahideen has claimed responsibility for Wednesday's coordinated and deadly attacks in southern Mumbai, India, but security analysts know next to nothing about the group, and some discount its claim.

Intelligence officials from India and beyond are trying to determine who the attackers were and what their motivation was. The attacks left at least 125 people dead and more than 300 injured at a handful of sites across Mumbai.

"Deccan Mujahideen seem to be this amazing group that has come out of nowhere, that has been operating under the radar for all this time, yet able to mount such a sophisticated and well-coordinated attack," security analyst Will Geddes told CNN. And that, he suggested, is unlikely. Read full article »

CNN's Nic Robertson contributed to this report.

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