PARIS — Shops and other businesses in Paris on Friday were boarding up windows amid fears of fresh street violence, as France braced for a third consecutive weekend of protests that coincide with Halloween celebrations. The demonstrations come in an increasingly febrile political climate, with presidential elections just six months away and far-right leader Marine Le Pen leading opinion polls. President Emmanuel Macron this week said it was "not normal" for France to be in such a state of "turmoil" so close to a presidential election. Around 70,000 security personnel will be deployed on Saturday, matching the number mobilised a week ago, as authorities sought to prevent a repeat of the October 17 unrest when thousands of businesses were damaged or looted. An aide to Interior Minister Laurent Nunez said street violence on a scale "comparable" to the unrest two weeks ago was expected, when images of clashes, looted shops and public buildings set ablaze were broadcast around the world. "There are concerns about acts of vandalism and attempted looting," the aide said. A police source pointed