Good News: Stories that cheered us up for the week of 11Olympic champions to earn US$50,000, end of 128Sydney police officer praised for stopping alleged shopping mall attackerNational candidate heads to easy victory in Port Waikato byWatch: Orca seen swimming in Wellington harbour'Large bang' forces Qantas flight down to one engineBanksy: Artist confirms new London tree mural is his own work'Large bang' forces Qantas flight down to one engineMajor bridge in Baltimore, US collapses after being struck by cargo shipTrump poised for billions as stock market deal passes