Cheerful onlookers have been snapping mobile phone “selfies” at the perimeters of the Sydney siege as a still unknown number of hostages remain prisoners of a gunman.

“You would have to be mentally insane and have no respect for anyone if you do,” said one Twitter user.

Another suggested: “If you really want a selfie how about you offer to trade places with a hostage”.B43w31cCIAAbcIf.jpg large

Jerks.

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http://www.smh.com.au/nsw…