With Singapore's Heng stepping aside, who will succeed Lee as PM?

4G ministers (clockwise from top left) Chan Chun Sing, Ong Ye Kung, Lawrence Wong and Desmond Lee. - ST

SINGAPORE (The Straits Times/ANN): With Deputy Prime Minister Heng Swee Keat announcing on Thursday (April 8) that he will step aside from the helm of the People's Action Party's (PAP) fourth-generation leadership, four men have emerged as likely candidates to fill his shoes.

They are Chan Chun Sing, Ong Ye Kung, Lawrence Wong and Desmond Lee - with one of them possibly succeeding Lee Hsien Loong as Singapore's prime minister.