JUST WATCHEDMother of Christchurch victim to attacker: 'You thought you could break us' ReplayMore Videos ...MUST WATCHMother of Christchurch victim to attacker: 'You thought you could break us' The gunman who took 51 lives in New Zealand's worst mass shooting in modern history has appeared in court at the start of his sentencing hearing. The courtroom was filled with family members of victims and survivors. CNN's Ivan Watson reports. Source: CNNWorld News (15 Videos)Mother of Christchurch victim to attacker: 'You thought you could break us' Hear how Palestinians reacted to UAE-Israel dealLukashenko brandishes assault rifle as peaceful protests continue in Belarus German doctors: Alexey Navalny test results indicate poisoningFloods heap misery on Indian state amid pandemicZakaria to Kushner: Didn't Netanyahu outsmart you? Woman in Belarus tells CNN reporter to 'Leave, Satan'Wife of sick Russian opposition leader claims coverupDefying Bolsonaro, Brazilian congress orders mandatory mask wearingHear from couple who lost only child in the Beirut blastRussia announces large-scale vaccine trial after registering itPresident of Mali announces resignation on state TV Outspoken Putin critic hospitalized after suspected poisoningReport: Mali president detained by troopsRare footage shows US patrol of South China SeaSee MoreMother of Christchurch victim to attacker: 'You thought you could break us' The gunman who took 51 lives in New Zealand's worst mass shooting in modern history has appeared in court at the start of his sentencing hearing. The courtroom was filled with family members of victims and survivors. CNN's Ivan Watson reports. Source: CNN