The number of arrests in a high profile operation targeting suspected internet paedophiles has risen to 100.
A Scout leader, a retired teacher and members of the Armed Forces were among those arrested in raids conducted by more than 40 police forces.
The officers executed more than 143 search warrants in England, Scotland, Wales and Northern Ireland in the 48-hour operation led by the Child Exploitation and Online Protection Centre (Ceop).
As the arrests are processed by the forces the number of arrests is expected to rise again on Friday.
Some 80 children were "safeguarded" following the raids. One in four were found at the properties searched by police and more than 30 cases were referred to children's services.