The Central Committee meeting of the SLFP scheduled to take place today has been postponed indefinitely.
The reason for the postponement is not yet clear, informed party sources said.
A final decision on the SLFP's continuation in the government was expected to be discussed at the meeting.
Party sources admitted that their decision making bodies were sharply divided over the matter
This comes a day after the SLFP collectively boycotted the Cabinet meeting chaired by their own party leader, President Maithripala Sirisena.