Police took action against 1,322 people under the age of 20 last year for crimes linked to tokuryū anonymous and transient criminal groups, the National Police Agency said Thursday.

Of them, 425 were involved in fraud, 247 in thefts and 200 in drug offenses.

Those involved in robberies totaled 116, accounting for about 40% of all suspects in tokuryū -linked robbery cases, including adults.