Srilanka, May 5 -- The Kollupitiya Police are yet to make a breakthrough in the theft at the official residence of the Swiss Ambassador, where gold jewellery-including a diamond-studded ring-and luxury wristwatches worth approximately Rs. 4.5 million were reported stolen from a safe.

Police said that no suspects have been arrested so far in connection with the incident.

A senior officer said investigations are ongoing. He said that CCTV footage from outside the residence did not show any unauthorized individuals entering the premises, leading police to suspect that the theft may have been carried out by a staff member or a domestic worker.

He added that there were no surveillance cameras inside the residence.

The investigation was la...