March 2019 Derby man jailed for sex offences against schoolgirls A man has been sentenced to four and a half years in prison following an investigation into sexual offences against schoolgirls in Derby. Mosab Alamin, 29, of Pear Tree Road, Derby was charged with sexual activity with a child and pleaded guilty to offences against young teenage girls on December 20, 2018. Warrants were carried out in April 2018 at two addresses and 11 men were arrested for a number of offences. As well as his sentence, Alamin also received a Sexual Harm Prevention Order and was placed on the Sex Offenders Register.