Three Maryland teens and a 12-year-old boy were charged for raping a 19-year-old woman after she got off a bus in Baltimore, police said.

Wilmer Ramos, 14, Philip Worrell, 14, and Nile Campbell, 14, were charged as adults with first- and second-degree rape on Thursday following the sexual assault that occurred on Feb. 6, Baltimore police said Saturday.

4 TEENS ACCUSED IN SUSPECTED RAPE OF 18-YEAR-OLD IN IDAHO, REPORT SAYS

A 12-year-old boy who was at the scene when the alleged sex assault occurred was charged as a juvenile with first-degree rape, third- and fourth-degree sex offense, conspiracy kidnapping, conspiracy robbery, perverted practice and handgun on person.

The unidentified woman got off the bus and was walking about 10 p.m. on Feb. 6 when the teens and the boy allegedly approached her at gunpoint and forced her into a backyard. Police said the three teens were sexually assaulting her when neighbors heard noises and came out of their home, interrupting the incident.

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The four attackers fled the scene, but were ultimately caught after school police recognized two of them that led them to the two other suspects.