Prime Minister Lee Hsien Loong took a "selfie" with his Malaysian counterpart Najib Razak at the start of the Commonwealth Heads of Government Meeting on Friday in Colombo, Sri Lanka.

He posted it on Twitter, with the message "Backstage with @NajibRazak, waiting to join our Commonwealth colleagues for the Opening Ceremony."

Mr Lee, who will be attending closed door meetings with fellow leaders for the rest of Friday, will be in Colombo till Sunday.