BBC:

German Chancellor Angela Merkel has voiced outrage over the sexual assaults and thefts that male gangs inflicted on women in Cologne on New Year's Eve.

Women have made at least 90 criminal complaints to police about the harassment by gangs at Cologne's main railway station on Thursday night.

Germans have been shocked by the scale of the attacks, involving many groups of drunk and aggressive young men.

Witnesses and police said the men were of Arab or North African appearance.

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