Ghaziabad, Apr 28 (ANI): A massive fire broke out at a chemical factory in Ghaziabad. Over a dozen fire tenders were rushed to the spot to douse the inferno as thick clouds of smoke billowed from the factory. The fire at the factory - located at National Highway-24 - also disrupted traffic movement. Police said it was not clear whether any labourers were present inside the factory when the fire broke out. The fire spread to two neighbouring factories, causing damages. The cause of the fire is not known yet.