nicholas james langan , 24 , was arrested about 1.00 am on january 27 at a beach in canggu , north of kuta , for smoking a marijuana joint .
police seized the 0.1 gram joint and a small bag of marijuana weighing 0.86 grams .
also arrested was hanung pekik hermantoro , 25 , a driver for the green room villas where the queensland painter was staying .