The Federal Bureau of Investigation (FBI) has broken up several sex trafficking rings across the US, uncovering more than 100 sexually exploited teenagers in a nationwide operation.

According to BBC News, agents arrested more than 150 people on sex-trafficking charges in dozens of cities including Atlanta, Denver and Seattle.

The FBI said the youngest victim found was 12 years old.

The agency targeted hotels, casinos and lorry stops to find underage victims, the majority of whom were girls. Agents also found three boys and three transgender teens.