Cardiff: Boy, 13, arrested with suspected Class A drugs - BBC News
The teen was allegedly in possession of white powder, and a 17-year-old had a "Rambo-style" knife.
Two teenagers allegedly found with drugs and a "Rambo-style" knife in Cardiff city centre have been arrested.

A 13 year old, from Grangetown, Cardiff, allegedly found with bags of white powder, and arrested on suspicion of possession of Class A and B drugs.

A 17 year old, from Caerau, Cardiff, was arrested on suspicion of possession of a knife in a public place.

Officers were responding to reports of suspicious individuals gathering in the city centre.