The weapon used in the murder of cosmetics queen Sosilawati Lawiya and three others has yet to be found.

Divers began scouring Sungai Kanchong Laut in Kampung Endah at noon for a 60cm hook revealed by a suspect yesterday.

The search that involve divers from the forensic unit and marine police ended at 5pm with discovery of a branded man's watch believed belonging to one of the victims.

The hook is usually used to lift oil palm fruit bunches onto lorries.

Sosilawati,47, her driver Kamaruddin Shamsuddin, 44, Kampung Baru CIMB Bank officer Noorhisham Mohammad, 38, and lawyer Ahmad Kamil Abdul Karim, 32, were reported missing on Aug 30 after coming here for a land deal.

Police said the four victims were beaten to death, burnt and the ashes strewn in a river in Ladang Gadong, Tanjung Sepat.

Eights suspects including a lawyer Datuk had been detained in connection with the gruesome murder.

Divers who used metal detectors to locate evidence also found a 30cm knife. Three suspects in purple lockup robe were present to help in the search.

Police brought another male suspect to a poultry farm in Ladang Gadong where the four were believed killed and burnt.

They arrived at 2.15pm and left 45 minutes later.

Three vehicles from the Fire & Rescue Department were seen entering the poultry farm at 5.45pm.

- Bernama