A police operation is underway in Merrylands, in Sydney’s west, where the ABC understands a man rammed a car into the police station car park and claimed he had a bomb.

The ABC understands the driver had a gas bottle in the car and suffered burns during the incident.

Police said the man had been taken into custody but investigators were still at the scene.

The ABC understands no officers have been injured in the incident.

More to come.