Four youngsters from Kasaragod were arrested by the city police on charge of obtaining money from people after threatening to post naked pictures of them on Facebook. Azhar, 20, Rasheed, 20, Husain, 23, and Siyad, 20, were arrested by the Town North police after they allegedly swindled a Konthuruthy resident. The four allegedly befriended the man at Subhash Park in the city. They allegedly took him to a lodge, took Rs.1,500 that was in his purse, and photographed him after stripping him naked. The police found the four at a lodge near Padma theatre. On interrogation, they said they had committed a similar crime in the city before, according to the police. — Staff Reporter