Police, protesters clash as Hong Kong celebrates Christmas

Hong Kong's Christmas celebrations were marred by sporadic clashes between police and pro-democracy activists on Wednesday as the city's pro-Beijing leader said the festive season was being "ruined" by demonstrators.Police used pepper spray and tear gas as activists held small flashmob protests in malls and multiple districts across the city.In Mong Kok, an area that has seen frequent clashes over the last six months, police fired multiple rounds of tear gas to disperse crowds that were heckling