46 suspected drug dealers have been arrested in connection with more than 200 drug offences in Cardiff.
In the last three weeks, 40 men, 4 women and 2 juveniles have been arrested.
Another woman has been arrested for the possession of CS spray.
A six-month undercover operation targeted people supplying class-A drugs, such as heroin and crack cocaine, in the Roath, Cathays, Riverside, Grangetown and city centre areas.
South Wales Police says the areas were chosen due to information and concern from members of the local community.