Pune, Oct 24 (Reporter) Three labourers were killed, and seven others were seriously injured after a water tank collapsed on them at the labour camp in Pimpri-Chinchwad area of the district on Thursday. It is feared that some more workers may be trapped under debris of this water tank and the number of casualties may go up. The incident occurred when the workers were taking a bath under the water tank but due to heavy pressure of water, the tank collapsed from a height of 12 feet, resulting in the death of three labourers and injuring seven others, said fire brigade officials. All the injured have been admitted to a hospital for medical treatment...////...