direct to your inboxA dad has told of how a knife man who'd just murdered his former partner stabbed at his head and 'left his ear hanging off.'Gerard Bristow told how ex-cage fighter Andrew Wadsworth, 37, chased him down the street, 'making a beeline' for him just moments after he had stabbed Melissa Belshaw to death in her upstairs bedroom.Mr Bristow was caught in the firing line next and alarming CCTV footage released earlier this week revealed how the cocaine-addled murderer pursued him