Tight security in Hong Kong as Xi leads celebrations

Tight security contained protesters in Hong Kong Friday night as China's President Xi Jinping led lavish celebrations to mark 20 years since the politically divided city was handed back to China by Britain.A huge security operation has shut down large parts of Hong Kong, with thousands of police deployed to keep away demonstrators angry at Beijing's tightening grip on the freedoms of nearly eight million people.An official protest zone near the harbourfront convention centre where Xi was guest o