Police are looking for a violent thief with a taste for trousers.
They say two men approached two other men in downtown Halifax (around Prince and Argyle streets) just after midnight and began punching them.
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Investigators say one of the assailants demanded that one of the victims hand over his pants, however, the two fled the scene without the trousers.
A 26-year-old man was arrested in the area a short time later and is due in court, but the second suspect remains at large.
Paramedics treated the two victims for minor injuries.