Shortly after the incident a passer-by, who would not be named, told the Bay of Plenty Times traffic was backed up but the response from emergency services was swift and police and firefighters were at the scene.
She said she could see schoolchildren jumping over stationary carriages to get across the tracks near KFC.
Traffic management was being put in place and traffic was beginning to flow again, she said.
Police at the scene of an "incident at the railway" in Mount Maunganui. Photo / Alex Cairns