New Delhi: The National Investigation Agency (NIA) and Delhi Police have begun a probe into a blast near PVR theatres in the Prashant Vihar area in the nation's capital. 

There were no casualties. The blast was heard at 11:48 am. Investigators found white powder in the area. The Delhi Fire Service rushed four fire tenders to the scene.

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On October 20, there was a blast near the CRPF School in the same locality. Police then found an explosive device wrapped in a polythene bag and buried in a half to one-foot-deep pit, which was then covered with garbage.