The Fire Service and police attended a gas leak tonight in Auckland.
A police spokeswoman said police were blocking the road on Great South Rd in Penrose, and were in attendance along with Fire Service crews.
A Fire Service spokeswoman said the gas leak was at 970 Great South Rd, at BOC Gas & Gear.
Five fire crews are at the scene, along with a Hazmat unit, a command unit and several operational support units.
A Fire Service spokesman said the gas leak is a "carbide spill".