::::::::: CBC - WORLD NEWS :::::::::                    California mother of 13 children held captive had no idea why police were at her home          2 Koreas talk about Olympic co-operation ahead of IOC meeting          Rebel ex-policeman Oscar Perez among dead in Venezuela shootout          Japan's public broadcaster sends false alarm about North Korean missile          No, the full moon does not cause earthquakes, study finds          Hassan Diab, Canadian university professor once charged with terrorism in France, is back in Canada          Danish submarine owner Peter Madsen charged with killing Swedish journalist Kim Wall          Australia complains to WTO about Canadian rules on selling wine          Pope talks of pain caused by sexual abuse of children on visit to Chile          Bangladesh, Myanmar aim to return Rohingya within 2 years          U.K. police say death of Dolores O'Riordan is not suspicious          Leading Serb moderate in Kosovo gunned down, spurring police manhunt          Bitcoin prices drop as South Korea minister indicates ban still possible          Plan for joint Olympic team with North Korea gets icy reception in South          Black Death spread by human fleas and lice, research shows          Hundreds of teens in Denmark suspected of sending child porn          Venezuela says 5 'terrorists' arrested others killed in attempt to arrest rogue pilot          Green rush, grey market: How free weed is firing up D.C.'s pot 'gifting economy'          Gunbattle in Libya's capital kills 20, closes airport