f(x)'s Sulli reportedly to withdraw from f(x) to focus on her acting career.
According to various media outlets on June 25th, Sulli will be leaving the group but still remain under SM Entertainment, as her contract with the agency is still going on. This leaves f(x) to promote with 4 members for their possibly comeback in September.
After giving an initial response that they were still checking the situation, SM Entertainment later came out with an official statement,"Nothing regarding Sulli's departure has been decided. We will make decision on her future group activities after considering it carefully".