Porbandar: At last half a dozen labourers were feared trapped under the rubble in Ranavav-Adityana based Hathi cement factory of Saurasthra Cement Ltd. The administration has launched rescue operation. Chief Minister Vijay Rupani spoke to district collector of Porbandar over a phone call and gave instructions to move two teams of NDRF to assist the rescue operation. The incident happened after a tall structure set up for erection of an 85-ft high new chimney of factory collapsed suddenly. The district collector and Superintendent of Police rushed to the place of tragedy. Media persons were barred entry inside the factory premises. DeshGujarat