A man killed his mother and wife in Sindh's capital Karachi, 24NewsHD TV channel reported on Thursday.
The horrific incident occurred in Mangopeer police precincts.
Police and rescuers reached the spot. The bodies were shifted to Abbasi Shaheed hospital for postmortem.
A relative says the accused, Dilawar, has been suffering from psychological issues.
Police have been digging into the matter.