Good boy.

'The gentleman’s face was completely bloody. His shirt was covered in blood,' Bridget Maddox-Peoples told Fox 5. 'When he walked out, he had a cloth over his face.

'You could hear a dog growling and a bark and someone screamed "I need help, there's a medical emergency." The area was completely covered in blood. They came in and sanitized the area and replaced the seats,' she said.
http://www.dailymail.co.uk/news/arti...passenger.html