Concern Over North Korea's Hydrogen Bomb Test

The North Korean authorities say they have successfully tested a hydrogen bomb amid reports of a tremor near the main nuclear test site.

German police are investigating reports of a group of up to 1,000 men carrying out thefts and sexual assaults on dozens of women in the middle of Cologne on New Year's Eve.

A young violinist who's been shortlisted for a world famous competition has never owned a violin and instead uses one on loan from a benefactor.