社会主义阵线
The breakaway group of members formed the Barisan Sosialis with Lim Chin Siong as Secretary-General. Aside from the Chinese union leaders, lawyers Thampoe Thamby Rajah and Tann Wee Tiong, several members from the University Socialist Club such as James Puthucheary and Poh Soo Kai joined the party. 35 of 51 branches of the PAP and 19 of 23 branch secretaries defected to Barisan.