MIANWALI, Sept 6: Mystery shrouded the nature of a blast in a Bhakkar village on Thursday and names of three people killed could not be established till late night.

Doctors at a rural health centre in Jandanwala of Klorkot tehsil conducted autopsies to ascertain the cause of deaths.

Village 46-DB, where the blast took place at 3am, is said to be close to some sensitive installations.

A police officer in Bhakkar said police had found three bodies, some detonators and explosive material.

He said the identity of the dead could not be ascertained.

A spokesperson for the inspector general of Punjab Police said that autopsy of one of the dead suggested sudden shock as the cause of his death.