An "isolated man" who stabbed his neighbour to death after becoming annoyed by motorbike noise outside his house has been jailed for at least 28 years for murder.Jamie Crosbie, 48, used two knives and a saw to kill father-of-three Dean Allsop, stabbing him 17 times in their street in Thorpe St Andrew near Norwich after hearing engine noise from Mr Allsop's son's motorbike.Two women who tried to help 41-year-old Mr Allsop - his partner Louise Newell and their friend and neighbour Kerryn Kray - w

An "isolated man" who stabbed his neighbour to death after becoming annoyed by motorbike noise outside his house has been jailed for at least 28 years for murder.Jamie Crosbie, 48, used two knives and a saw to kill father-of-three Dean Allsop, stabbing him 17 times in their street in Thorpe St Andrew near Norwich after hearing engine noise from Mr Allsop's son's motorbike.Two women who tried to help 41-year-old Mr Allsop - his partner Louise Newell and their friend and neighbour Kerryn Kray - were also attacked by Crosbie.