(CNN) A 17-year-old male student shot two other students at Great Mills High School in Maryland on Tuesday morning before a school resource officer engaged him and stopped the threat, authorities said. Authorities say Austin Wyatt Rollins, armed with a handgun, shot a female and a male student. The shooter had a prior relationship with the female student, St. Mary's County Sheriff Tim Cameron said. School resource officer Blaine Gaskill responded to the scene in less than a minute, the sheriff said. The 16-year-old female student is in critical condition with life-threatening injuries, and the 14-year-old male student who was shot is in stable condition.

Source: CNN March 20, 2018 12:45 UTC