Washington: US President Barack Obama and UN Secretary General Ban Ki-moon on Sunday mourned the death of former Singaporean prime minister Lee Kuan Yew and offered their condolences to his family.

"I was deeply saddened to learn of the death of Singapore's minister mentor, Lee Kuan Yew," Obama said in a written statement, noting he and his wife Michelle offered their "deepest condolences to the Lee family and join the people of Singapore in mourning the loss of this remarkable man".