January 2017 Man jailed for nine years for sexual abuse of young and vulnerable victims  A South Elmsall man has been jailed for nine years after being convicted of sexual assault. Melvyn Wall, 66, was found guilty of sexual abusing three children between 1993 and 2014. He was jailed at Leeds Crown Court yesterday after being found guilty of four offences of sexual assault, four of sexual activity with a child, two of indecency and three counts of indecent assault.