<img src='https://i.cbc.ca/1.4643631.1525202221!/fileImage/httpImage/image.png_gen/derivatives/16x9_460/john-shirley-and-chris-rotolo.png' alt='John Shirley and Chris Rotolo' width='460' title='Paramedics John Shirley and Chris Rotolo were among the emergency responders helping victims following the April van attack near Yonge Street and Finch Avenue.' height='259' /> More than a week after a van attack that killed 10 people and injured 16 others along a busy stretch of Yonge Street, paramedics share their stories of calm and professionalism in the face of chaos.