(CNN) -- Authorities are searching for three convicted murderers who escaped Friday night from the Arizona State Prison in Kingman, Arizona.
The Arizona Department of Corrections and the Flagstaff Police said on Saturday that the three disappeared from a medium-security facility and are considered to be armed and dangerous.
State and local authorities are searching for the men, who were discovered missing after the 9 p.m.count in prison. All three suspects were serving time on murder convictions of 15 years to life.
Early Saturday morning, Flagstaff Police said the suspects abducted two people at gunpoint and then released them at a local truck stop in the Kingman area.
The three escaped inmates are: Tracy Province, a 42-year-old white man who is 6 feet 1 inches tall and weighs 184 pounds with brown hair and blue eyes; Daniel Renwick, a 36-year-old white man who is 5 feet 11 inches tall and weighs 190 pounds with brown hair and hazel eyes and John McClusky, a 45-year-old white man who is 6 feet 1 inches tall and weighs 160 pounds with brown hair and blue eyes.
Police said the convicts are also with a woman who helped them escape. Her name is Casslyn Mae Welch and she is a 43-year-old white woman. She is 5 feet 3 inches tall and weighs 135 pounds with brown hair and green eyes.