Gurgaon, Sept 5 : Ten people were killed and two others were injured after a water tank that was under construction collapsed here in the National Capital Region last night.

Eyewitness said that some workers were washing their utensils and others were taking a bath when the half built water storage tank came down on them.

"The tank was outside, it was full of water and people drowned in it. Around 5 people died on the spot and two of us are injured," said Jai Karan, an injured.

Police are investigating into the matter and have not ruled out the use of substandard martial used in making of the storage tank as the cause for its collapse.

"The tank collapsed all of a sudden, may be because of the material used, we are still investigating. But the report is that five died on the spot and five others succumbed to their injuries in the hospital, a total of ten have been killed and two are serious,” said Inder Singh Seni, Deputy Commissioner of Police (DCP).

The injured are being treated at a local city hospital. (ANI)