A man who had sex with a teenage girl when she was under age has been jailed for 13 months.

Leeds Crown Court heard Lewis Williamson got to know the 15-year-old online in 2013 and arranged to meet her.

He was about 18 and she was vulnerable because of her personal circumstances.

Michael Smith prosecuting said they had sex together on that first occasion and continued to do so on subsequent occasions but she became disillusioned by his possessive attitude towards her and realised “it was unhealthy”. She stopped seeing him but he continued contacting her on Facebook until she felt he was pestering her and contacted police.

Chloe Hudson representing Williamson said he was younger then and lacked maturity with time on his hands but since the contact with that girl had grown up to an extent. He had found his own accommodation, a job as a chef and was working hard to fulfil his potential if he could avoid an immediate jail term.

Williamson, 21, of Shill Bank Lane, Mirfield admitted two charges of sexual activity with a child. He was ordered to register as a sex offender for 10 years.

Jailing him Judge Christopher Batty said Williamson knew the girl was having problems at the time and was self-harming. Initially he was charming to her but having “snared” her he showed his true colours.