Police, fire and two air ambulances have been called to the Newlands Centre in Kettering this afternoon.
It is believed a contractor working on the lift has fallen down the lift shaft and been injured.
He is being treated at the scene.
The centre has been closed to shoppers in the last 30 minutes.
Shoppers at nearby Sainsburys are believed to have been asked to remain in the store for now.
We will be updating you with more details when we can.
See tomorrow’s Evening Telegraph for the full report.