Muslim Brotherhood activists on social media said a U.S. journalist participated Friday in a protesting march in Matareya neighborhood, Cairo, Al Bawaba News reported. An MB-linked website posted a photo of the journalist while torching the Israeli flag. Police officials have not yet commented on the incident. MB loyalists have been staging violent protests across Egypt since the ouster of former president, Mohamed Morsi, July 2013 amid mass street protests. Protesting without permission has been criminalized in Egypt according to a protest law issued by interim authorities in Sept. 2013.