N ACRONYM for
United Kingdom Independence Party: a political party founded in 1993 to seek Britain's withdrawal from the European Union 英国独立党; 成立于1993年，政治诉求为使英国脱离欧盟
Some embedded video and audio is only available in the UK. However, it may be that your network provider has allocated you an IP address outside the UK. You can check your connection location at www.speedtest.net .
Occasionally it may simply be a network error, so it's worth closing your browser or router and reopening as a new IP address is allocated which may be UK-based.