Four youths of Nalipur village under the Balichandrapur police station in Jajpur district were arrested by police on Monday for allegedly circulating an objectionable picture of a minor girl.The arrested persons identified as Satyajit Swain (19), SK Saikat Ali (21), SK Nazir Islam (21) and Nisar Khan (22) took an objectionable picture of the girl on a mobile phone without her knowledge and circulated it through MMS, said Balichandrapur police station IIC Sarat Patra.