AT least 100 people were arrested in Egypt after taking part in pro-Palestinian demonstrations late last week, though some have subsequently been released, lawyers working on the cases said. State-approved protests against Israel's military campaign in the Gaza Strip were held at several locations in Cairo and elsewhere in Egypt on Friday. However, some protesters in Cairo walked to Tahrir Square - the centre of Egypt's 2011 uprising - which was not among the sites approved for the pro-Palestinian demonstration. The protesters were quickly dispersed by security personnel. Unauthorised public protests are banned in Egypt, and Tahrir Square, which was redesigned several…