The Indian government has asked for live Twitter updates from Mumbai to cease immediately.
"ALL LIVE UPDATES - PLEASE STOP TWEETING about #Mumbai police and military operations," a tweet says.
At least, that's what the BBC's
Mumbai Live Events page is reporting.
The potential use of Twitter and other communications technologies by terrorists was recently dissected in a new draft US Army intelligence paper, based on a review of jihadist web sites and other public sources.
It's the dark down side of the Web 2.0 communications revolution. You can read the army paper
here.