The now-aging hippies who took over a derelict naval base in Copenhagen more than 50 years ago and turned it into a freewheeling community known as Christiania want to boot out criminals who control the community’s lucrative market for hashish by ripping up the cobblestoned street where it openly changes hands.

A Dubai-based British hedge fund trader sought by Danish authorities for allegedly orchestrating a $1.7 billion tax fraud, considered one of the largest in the Scandinavian country, has been extradited from the United Arab Emirates.