The 14-year-old girl was approached by three teen girls at a bus stop in Claymore, near Campbelltown, at 7pm yesterday.

Police allege the 14-year-old was forced to the edge of Longstaff Way while being held at knifepoint by the teens.

They then allegedly started to punch and kick her.

The teens then allegedly forced her to take off her clothes, whipping her with a phone cord while recording her.

The trip then fled, taking the girl’s top, pants, shoes and phone with them. 

Police say the girls were known to her.

PolAir was used to search for the girls allegedly involved, with three 13-year-olds arrested in Claymore.

Their phones were seized and the trio were taken to Campbelltown Police Station where they have been charged.

One 13-year-old faces charges of aggravated robbery with a weapon, an offense related to coercing a minor to create child abuse material, and possessing such material.

The other two girls were charged with two offenses each: aggravated robbery with a weapon and for compelling a child aged 14 or older to produce child abuse material.

All three have been refused bail and will appear in childres court today.