Bristol student ‘lay in wait’ for housemate before stabbing him in ‘cold-blooded execution’

Jamie Collins was ambushed by Zack Coughlan as he returned home from university, stabbing him 30 times in a “carefully planned and cold-blooded execution”Jamie Collins, 21, was killed by his flatmate as he returned home from university(Image: Family Handout/Avon and Somerset Police/PA Wire)