George Square after implementing special powers following a week of chaos. Pictures from the scene today show a number of vans and other police vehicles lining the square.Glasgow city centre has been the focal point for a spate of ugly clashes during recent protests, with officers called to try and keep the peace.And now Police Scotland has imposed an order under Section 60 of the Criminal Justice and Public Order Act 1994, allowing cops to search any individual or vehicle in the city until 11.59pm tonight.Yesterday saw Green Brigade football ultras kettled by police in the square as they attended a Glasgow Says No to Racism event.