News at Seven-Thirty highlights: G20 summit in London started today; protesters held a rally outside Bank of England in London; Shenzhen permanent residents can apply for multiple-entry permits to Hong Kong; hearing on PCCW’s privatisation bid opened at High Court; 5 people were sentenced in the first prosecutions since insider trading was criminalised; a former senior manager of Centraline Property Agency was sentenced to 40 months in prison; North Korea threathened to shoot down any U.S. spy plane; more than 10 computers have been infected by Conficker; some non-prepackaged drinks in HK contain high levels of "free sugars"; HK is about to enter peak season for Enterovirus 71 infections.