Story highlights The suspect is a "violent sexual predator," an Amber Alert says

He is armed with a 9mm handgun, the police say

The suspect is the estranged boyfriend of the girl's mother and the father of the girl

Police in Cleveland, Ohio, issued an Amber Alert on Saturday for a 1-year-old girl who authorities say was snatched off the street along with her 19-year-old mother while on a walk.

The suspect is a "violent sexual predator with felony warrants out of New York," and is armed and dangerous, the alert read.

The suspect, identified by authorities as 25-year-old Thomas Lorde, is an estranged boyfriend of the girl's mother, Latasha Jackson, and the father of the girl, Chaniya Wynn.

The missing girl is African-American, weighs 18 pounds and has brown eyes. She was last seen in a brown and pink stroller. Jackson was wearing a green shirt and a brown leather jacket with fur trim.

Jackson and Chaniya were walking on East 72nd Avenue in Cleveland when they were abducted, police said.

Lorde is armed with a 9mm handgun, according to police.

Anyone with information about the group's whereabouts is asked to call 1-877-262-3764.