WASHINGTON — Immigration and Customs Enforcement says it has arrested 255 people in an international child exploitation investigation.

ICE officials say they also identified 61 child victims in the five-week operation that ended June 30.

Twenty people were charged with online sexual enticement of a minor. The remaining 235 people were charged with child pornography production, possession or distribution of child pornography, traveling with the intent to have sex with a minor, or other various offenses including rape.

So far this year, agents have arrested more than 1,600 people in such investigations.