Kian Bateman, 19, was high on nitrous oxide - laughing gas - before he got into his car and targeted Shelley Davies, 38, outside a Cardiff nightclub on September 27 last year.

Shelley Davis has been described as a ‘force of nature’ by her loved ones

Kian Bateman, 19, was high on nitrous oxide - laughing gas - before he got into his car and targeted Shelley Davies, 38, outside a Cardiff nightclub on September 27 last year.