One person has been taken into custody after an incident that bought police to the Turret Rd bridge and ground traffic to a halt.
It is understood the incident resulted in heavy traffic delays in the area as emergency services responded.
A fruit seller, who had a stall on Turret Rd, said she thought there had been a motor vehicle accident when the traffic came to a complete standstill about 1.10pm.
Four police vehicles attended, one with sirens, and about 10 minutes later a St John ambulance arrived, she said.
The woman said they were also stopping traffic coming from Maungatapu heading into city.