Prime Minister Hun Sen says his growing potbelly is getting in the way of his golf swing.

Hun Sen, who is known for his casual comments, went off track while responding to a Facebook comment on his health to talk about his weight. He said someone had reposted on Facebook a two-year-old video clip, purporting to show he had suffered a stroke.

"If you need to broadcast the news of the prime minister's health, you better say that the prime minister is worrying about his belly that is now getting big," Hun Sen said on Monday in the southern Kandal province.