The number of robbery, rape, arson and other crimes committed by teenagers was almost doubled from that of five years ago.

The method of crimes is becoming all the more cruel.

Also increasing is the number of youngsters committing other crimes to add to what they did before.

The number of ex-convicts with more than nine times of indictment reached about 3 300 last year from around 900 in 2008.

Reporting on this, the broadcasting said society connives at the crimes by teenagers considering them as ordinary misdeed, causing the increase in number and deterioration in method.