A desperate inmate attacked and seriously injured three prison officers in a bid to get himself moved to a more secure prison closer to his ailing grandfather, a court heard.Damon Bendall, aged 27, lured the men to a classroom by setting off an alarm and ambushed them at HMP Dartmoor.He repeatedly punched the officers and threw two of them to the floor, leaving one man with a torn bicep and the others covered in bruises.Bendall wanted to be moved from the Category C prison to a Category B/C...
