(Singapore): World leaders, politicians and senior diplomats on Tuesday (Aug 23) expressed their condolences at the passing of former President S R Nathan.

Mr Nathan passed away peacefully at the Singapore General Hospital on Monday, three weeks after suffering a stroke. He was 92.

Malaysian Prime Minister Najib Razak, in a tweet, said: "My deepest condolences to the family of former Singapore President S R Nathan and the people of Singapore."

Mr Nathan had served as Singapore’s High Commissioner to Malaysia from 1988 to 1990.

Tributes have poured in for Singapore's longest-serving President immediately after news broke of his death, with Singapore's leaders describing his life as "an inspiration to us all" and him being "a giant of our times".

The Prime Minister's Office said Mr Nathan will receive a State Funeral on Friday, and the State flag on all Government buildings will be flown at half-mast from Tuesday to Friday.

The body of the late Mr Nathan will also lie in state at Parliament House from 10am on Thursday to 12pm on Aug 26.