A concrete pump line has blown out at a Melbourne CBD construction site, with two workers taken to hospital.
Emergency services were called to the incident at a worksite site on Bourke Street just before 9am on Thursday.
It is believed the pump line of a concrete truck blew out and injured four workers, police said.
Paramedics treated the workers at the scene before taking two to the Alfred Hospital.
Their age, injuries and condition are unknown.
WorkSafe will investigate the incident.
