Who are the Sufis associated with the mosque attacked in Egypt?
CAIRO: The mosque where Friday's massacre unfolded in Egypt's Sinai Peninsula had been widely associated with Sufi Muslims who have been attacked by the Islamic State group wherever the extremists operate.
A Bedouin tribal leader told AFP the Rawda mosque, some 40 kilometres (25 miles) west of the North Sinai capital of El-Arish, was known as a Sufi mosque and contained a "Zawiya" -- a lodge used by the mystics for prayers and gatherings.
IS has targeted Sufis in Egypt in the past. Last year, the militants kidnapped…