PHUKET: It has been revealed that the four Thai workmen who died this morning (March 26) in a sewer on Srisuthat Rd on the edge of Phuket Town, had been exposed to a high concentration of deadly hydrogen sulphide gas.

Muang Police received a call at 10:30am that the four men were down inside the Phuket City sewer near Namchai Ocean Transport, and close to the Koh Sirey bridge, and were not responding to calls from their colleagues.

Read more: thephuketnews.com