A warrant has been issued for the arrest of an Osage Beach man who is accused of assaulting his girlfriend, on Thursday night. Camden County law enforcement was dispatched to a residence on Spring Valley Road, where the caller reported that Tristan Cole Vlasis had assaulted her daughter. The Deputy reported that at the residence he observed items scattered all over the floors. Vlasis had reportedly already left the residence and was later pulled over by Camdenton Police. The victim reported that she was telling the suspect that she was going to her car, and as she was on her way out, he grabbed her, pulled her to the ground, and threatened her. He then allegedly started throwing things and hit her and her 3-year-old with a couch cushion. After the woman grabbed a knife and called her parents, he left the residence. Tristan Cole Vlasis is charged with kidnapping and felony domestic assault. His bond was set at $100-thousand-dollars.