Several petrol stations in Auckland have been hit by fuel shortages as problems caused by damage to a pipeline in New Zealand's largest city spread, BBC report.Z Energy confirmed to the BBC that 13 service stations had run out of 95 octane petrol by Tuesday. The firm said fuel was being trucked into the city and it did not expect the problem to worsen. Fuel supplies to cars and planes in Auckland have been disrupted after the pipeline burst last week. It is believed to have been damaged by a digger on a rural property and its operator, Refinery NZ, said on Monday repairs could take at least a week. It all comes in the final days of a tightly contested general election campaign. The government had said on Monday it was unlikely drivers would face fuel shortages.