7NEWS Update - Wednesday April 13, 2022: Shooting on New York subway; PM heckled at event

A gunman has opened fire on a subway train in New York City, injuring at least 16 people; Prime Minister Scott Morrison has been heckled by a young Labor supporter on day two of his election campaign, the incident caught on camera; and quarantine-free travel to New Zealand is back on and Australians are taking advantage. Presented by Sally Bowrey. More news across the day on 7NEWS.com.au and 7Plus. Hosted on Acast. See acast.com/privacy for more information.