A drunken bar fight in New Taipei's Tamsui district turned into a lucky break for police, who found the attacker was already a wanted man.

• A 33-year-old man drinking at a karaoke bar on Yingzhuan Road argued with a 70-year-old man at the next table and started punching him.
• Friends pulled him away and the older man escaped with minor scrapes, but police took all three men in because tempers were still running high.
• A routine ID check at the station showed the attacker was already wanted by prosecutors for breaking Taiwan's anti-money-laundering law.
• He now faces both the assault charge and the outstanding warrant, and has been handed to New Taipei prosecutors.

Outlook: The case moves to the New Taipei District Prosecutors Office, where the older money-laundering charge is likely to be the more serious one.