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of teachers annual conference vote to back a day of strike action over funding concerns in england. and coming up after sport at 3.30pm, this week s edition of click looks at how technology is being used in the fight against crime. good afternoon and welcome to bbc news. north korea has warned the united states that it s ready to react to any provocative action. it comes as the country staged a huge military parade, displaying what appeared to be new, submarine based ballistic missiles. us president donald trump has sent a naval strike force to the region because of concerns that north korea is preparing to carry out another nuclear test. our correspondentjohn sudworth is with a group of foreign journalists invited to the capital pyongyang. his movements are being monitored and tightly controlled. it s an extraordinary sight. you can actually feel the ground shake as thousands upon thousands of goose stepping soldiers, tanks, rockets and other weaponry have marched and ....
drivers will also be expected to answer vehicle safety questions while on the move. now on bbc news: click. this week, fighting crime before it happens. and keeping warm in the arctic. oh, my god! i said keeping warm. 0h, forget it. we are now more surveilled than we have ever been. cities are covered in cctv cameras. authorities are gathering data on its citizens. it would be all too easy to confuse the real world with a sci fi dystopia. mr marks, my mandate of the district of columbia pre crime division. i m placing you under arrest for the future murder of sarah marks and donald dubin, that was due to take place today, april 22, at 0800 hrs and four minutes. no, i didn t do anything. in the movie minority report, the pre crimes unit race to arrest would be offenders before they have a chance to commit their crimes. now, they use psychics but it turns out, something similar is being attempted using big data. in chicago, where the violent crime rate has exploded, law e ....