Pakistan, July 19 -- A significant development has emerged in the mysterious death of actress Humaira Asghar.

Police have received the preliminary chemical test reports obtained during the post-mortem, revealing an important clue regarding the cause of death.

According to police sources, several types of tests were conducted during Humaira Asghar's post-mortem and the samples were sent to the forensic laboratory at the University of Karachi.

The reports received from the lab so far have found no evidence of any toxic substance or suspicious chemical in her system. However, a few reports are still pending and a final conclusion can only be drawn once the complete report is received.

The initial findings suggest that the actress did not...