Five people were killed in an armed clash between two groups on Pir Goth in Khairpur on Tuesday.
The clash between the Solangi and Nareeja tribes left five men dead, but the fire continued.
Khairpur SSP Tauheed-ur-Rehman Memon took notice of the five murders in the area and ordered arrest and legal action against the accused.
A robber carrying Rs5 million bounty on his head was gunned down in Khairpur two weeks ago.