By Damon Wilkinson & Ryan Fahey A contract killer who killed a five-year-old in the street during a botched hit has had his parole bid rejected. Tragedy struck the streets of Bolton when Paul Seddon shot Dillon Hull dead, with the convicted heroin dealer being sentenced to a minimum 25-year term in August 1997. Despite 27 years having passed, a Parole Board has rejected his release application because officials believe he still poses a risk to the public. His secondary request to move to an open prison was also rejected. Seddon wore a motorcycle helmet to conceal his identity when he emerged f…