Thailand has cut electricity, internet and fuel supplies to five border areas in Myanmar, a senior Thai minister said on Wednesday, as the Southeast Asian nation steps up efforts to choke scam centres that have become a growing security concern.

Thailand on Wednesday cut off power supplies to areas in Myanmar where scam networks operate, following a public outcry demanding government action to tackle the problem.

A team of doctors and nurses battled to revive Adabi, an 86-year-old Myanmar refugee fighting long-standing heart problems and pneumonia, as her daughter watched tearfully in a hospital in northwestern Thailand.