“The car is inside the shop,” the man told the Herald.
He said scores of police and emergency personnel were at the scene.
The shopkeeper said the driver of the vehicle appeared to be elderly.
“He appeared to have hit a car and went into the building.”
A person in the Barfoot & Thompson building said some staff inside the building were now being assessed by ambulance officers.
She was unable to comment further.
A police spokesperson said police were working to determine the cause of the crash.
A number of buses have been affected with passengers told to expect delays of up to 30 minutes as police manage traffic through the busy West Auckland intersection.