At least three people were killed while three others were rescued alive after a building collapsed in the Chukkuwala area of Dehradun in Uttarakhand late on Tuesday. Many others are feared trapped in the debris.

The state's disaster response force had reached the spot and launched rescue operation. The National Disaster Response Force (NDRF) was also roped in later, according to reports of news agency ANI.

The rescuers were able to pull out three people alive from under the rubble. Three dead bodies were also retrieved, said NDRF chief Satya Pradhan.

Those injured have been admitted to local hospital.

More details are awaited.