Join thousands of others who have signed up for the Daily Record newsletter.A young couple are trying to find the owner of a vicious dog that left them and their beloved pet covered in blood during a horrific 20-minute attack in a Paisley park.Chelsea Wilson says she thought her precious pet Rocky was going to die after a Boerboel-type dog grabbed his head in its jaws during the horror incident in Barshaw Park.Chelsea and her boyfriend Jacob Wiltshire, 20, tried frantically for 20 minutes to pry