Top Stories for Wednesday 22 February 2012

One year on, New Zealand remembers Christchurch quake; families of quake victims to hold special memorial service; Cera chief executive reflects on progress a year on; police hope to stave-off spike in violence in Christchurch; Christchurch remembered here and around the world; a year of frustration for Christchurch's eastern suburbs; Andhoy deciding whether to winter in Antarctica; Norwegian adventurer knows his gear is back in NZ.