BURLINGTON, Wash. (Metro) -- Police are after an 18-year-old Mount Vernon man in connection with an attack in Burlington that injured two people. GoSkagit.com reports cops arrived on Filbert Lane yesterday morning to find 19-year-old woman suffering from a stab wound to the chest. Later, a 20-year-old man showed up at Skagit Valley Hospital with stab wounds on his arms and back. The suspect is believed to be the female victim's ex-boyfriend. Copyright © 2012 Metro Networks Inc.