Muscat, Aug. 30 -- A 45-year-old Indian expatriate from Kerala passed away on Friday, August 29, after suffering a heart attack while swimming at Kalbooh Park in Oman's capital Muscat.

The deceased has been identified as Krishna Nair, an engineer from Ramamangalam in Ernakulam district, Times of Oman reported. He was employed with a consultancy firm in the city and was widely recognised for his role in promoting swimming and outdoor sports among the community.

Nair dedicated much of his time to training children and residents at Kalbooh Park, where he was associated with the Alawi Swimming Academy. He also organised cycling and trekking activities, earning admiration as a mentor and fitness advocate.

He is survived by his wife Swapna, ...