Facebook says doctored UK election clip wouldn't break its ad rules

Facebook said on Thursday that a doctored video shared by Britain’s governing Conservatives would not have broken its rules on political advertising if it had run as a paid-for ad, and suggested the video had enriched public debate. As Britain heads towards a Dec. 12 election that could shape the fate of Brexit, some politicians have expressed concerns that misleading information – known as “fake news” – could spread swiftly across social media. British Prime Minister Boris Johnson’s party chairman was forced to defend the distribution of a doctored video clip of a rival Labour Party politician on Wednesday, overshadowing the launch of the party’s election campaign.