Singapore Prime Minister Lee Hsien Loong was taken ill while delivering a National Day rally speech on Sunday, but the Prime Minister's Office (PMO) said his condition was not serious.
He said he fainted during the speech, part of celebrations linked to Singapore's 51st anniversary as a republic on August 9. "But anyway I'm going to have a full check-up after this". I hope you're all right.
The camera then panned to the audience and rustling was heard.
He was feeling "unsteady because of prolonged standing, heat and dehydration", a statement released later on his Twitter account said.
Mr. Lee skipped one part of his speech about plans for an elected presidency in Singapore, addressing instead the issue of succession in his ruling People's Action Party, which has ruled uninterrupted for more than five decades.
Lee underwent robot-assisted keyhole surgery in February last year to treat prostate cancer and was given the all clear in May of that year.
Eventually, after nearly an hour and a half, a smiling Lee returned to the stage to a standing ovation to finish his speech. He was diagnosed with lymphoma in 1992 but the cancer went into remission after successful chemotherapy. "Much worse", he said.
The live broadcast of his main National Day Rally speech was halted and the prime minister was attended to by a medical team.
"Not serious, similar to what soldiers get from standing on the parade square too long", he said.