This video, from the Moheet TV news portal, purportedly shows Muslim Brotherhood Morsi supporters apparently seizing, beating and taking a child away.  Apparently, they somehow believed he was connected with or in contact with the police. It is unclear what happened to the boy after he was taken away.

The terror on the boy’s face at one point on the tape is poignant.

Update:

Thank God, the boy is safe.

Here he is seen on Egyptian TV describing his experience and identifying a minister in the Morsi government as the leader amongst the men who beat him.