A teenage boy has been charged after pulling knife on another student at Liverpool Regional High School. The incident happened on Tuesday. The two students got into a disagreement before one of the boys revealed a knife. RCMP Corporal Sandi Merrell says a female student diffused the situation by convincing the boy to hand over the weapon. He was then taken into police custody. Merrell says the boy appeared in court on Wednesday. He's been charged with possession of a weapon, uttering threats and possession of drugs for the purpose of trafficking. The student will be back in court May 20th.