Pavement glued down in Hong Kong for China official visit

Paving stones in central Hong Kong have been glued down to prevent protesters using them as missiles, as authorities roll out elaborate security measures ahead of a high-level Chinese visit that could stoke resentment over mainland rule.The measures, which include barricades in central Hong Kong, come as Beijing tightens its grip on the semi-autonomous city where a fledgling independence movement in recent months has angered China.