A truck has hit the top of a Wellington tunnel before nearly reversing into a bus, police say.
Emergency services are on the scene at Seatoun Tunnel, where a container truck hit the top of the tunnel heading in, a police spokeswoman said.
The accident happened at the Seatoun end of the tunnel a short time before 1pm.
The truck then began backing out of the tunnel, nearly bumping into a bus that was behind it, the spokeswoman said.