G-Dragon, who is currently under investigation for suspected drug use.The Incheon Metropolitan Police Agency has reportedly notified G-Dragon that it would not be extending a travel ban that was placed on the singer amid his ongoing investigation, according to The Korea Times.The travel ban on G-Dragon had expired on Saturday (November 25), following the police’s decision to not requesting an extension. The move comes just days after the Big Bang member had reportedly test negative for drugs in his hair and nails.G-Dragon was booked by South Korean police on suspected drug use in late-October.