welcome back to cnn live coverage. i'm natalie allen. our top story, the u.s. is set to publicly blame north korea for the cyberattack on sony. an announcement could happen in the coming day. officials say hackers stole credentials of a system administrator to access sony's computers, meaning it was not an inside job. in cairns, australia, police say they have found eight children dead inside a suburban house. their ages range between 18 months and 15 years old. officials say a woman who is the mother of seven of the victims is receiving treatment for her wounds, and is assisting officials with their investigation. police say they have no suspects in the case, and they're not talking about how these children died. russian president vladimir putin did his best to ease people's fears over the country's tumbling economy, but in a news conference thursday,