Under the previous regime, authorities were locked in a game of cat and mouse in which manufacturers produced substances with a slightly altered chemical make-up almost immediately after the previous version was banned.
Mr Bray said: "The law...
"At this stage we are not ruling out a number of options, including whether the child and the person in the van know each other."
The van was a black, modified, VW Transporter with a 02 registration plate.
It had three BBS alloy wheels, with one...