Description A FIREMAN had sex with an underage girl in a fire engine and groomed her with booze and day trips out.Disgraced dad of two James Clark promised the 15-year-old he would leave his wife for her.Controlling Clark, 41, told the teen that she was forbidden to have a boyfriend of her own age.He abused the girl over a period of years at home and work, a court heard.The traumatised victim, now 21, eventually alerted police when she was 18, after contacting Childline.Clark, of Crowthorne, Berks, was found to have pics on his phone of him having sex with her.The paedophile admitted six counts of sexual activity with a child.At Reading Crown Court, judge Edward Burgess said it was sustained abuse to someone who was vulnerable.He jailed Clark for six years and eight months.