"This is an opportunity for the government to start treating the issue of rural poverty as amatterof priority even though they may not be the concernsof Islington residents, " said Mr McLeod.
Mr Lamb acknowledged the concerns, but said it was amatterof the regulations being badly drafted rather than an intention to ramp up the use of competition.
She said the case "concerns interference with the right to freedom of expression which is amatterof such fundamental importance that it merits consideration by the appellant court".
Ms Rathbone called on the assembly to recognise the matter as "a significant public health concern" and urged the Welsh government to raise awareness of the health concerns surrounding caffeine-loaded energy drinks.