India, Nov. 26 -- A 74-year-old Singaporean tourist had a frightening experience during his holiday in Thailand as some of the worst floods in years hit the country's south.

According to a report by the South China Morning Post, Ronnie Toh got separated from his family in Hat Yai, one of the declared disaster zones, after heavy rain flooded the city, cutting power and disrupting water supply.

The trouble began when Toh left his hotel to wade through knee-deep water to a nearby shopping centre to get a stronger mobile phone signal, according to his son, Vincent.

As the rain worsened, water levels rose above his waist. Despite staying in contact through social media, Toh decided to leave the shopping centre due to worries about food, wat...