JOHOR BARU: Robbers barged into a house at Taman Johor Jaya near here on Monday and stole RM23,000 from the four tenants.
It is learnt that the victims had just returned from work and were resting when the robbers struck at 6.45pm.
One of the intruders was unarmed while three of his accomplices had pistols.
A fifth man waited in a car outside.
Johor Baru (South) OCPD Senior Asst Comm II Hashim Yusof said one of the robbers fired a shot which shattered the floor and caused a broken piece to pierce one victim's knees.
The robbers, believed to be in their 30s, forced the tenants to empty a safe in one of the rooms and fled with the money.
On another matter, police in Segamat found a body floating in Sungai Muar on Friday.
The victim was identified as Chan Tack Hock, 39, from Bukit Siput near Segamat.
He was believed to have drowned three days earlier.