READING (CBS) -  Police have arrested a 30-year-old Somerville man after they say he tried to meet a Reading 15-year-old for sex.

At 6:31 p.m. Saturday, police arrested Justin Koser, 30, and charged him with enticing a child under 16. Police have not released the gender of the teen.

Police say graphic texts were sent by phone and online.

Detectives from Reading police conducted the investigation of Koser with the Middlesex District Attorney’s Office and the North Eastern Massachusetts Law Enforcement Council Cybercrime Unit.

Koser will be arraigned Tuesday in Woburn District Court.