(Editors note: Video contains explicit language) A video shot by a parent shows a confrontation between parents and a Worcester school bus driver while upset .brA 16-year-old is facing assault charges after an incident at a school bus stop. WBZ-TVs Beth Germano reports.brA heated confrontation at a Worcester school bus stop that was caught on camera remains under investigation. Subscribe to WCVB on YouTube now for more: .brbrAngry parents caught on camera as they stormed a school bus and punched the driver because he refused to let children out of the sweltering vehicle .