Muttahida Qaumi Movement (MQM) leaders Babar Ghauri and Shamim Siddiqui announced to quit MQM on personal reasons.
Babar Ghauri, Shamim Siddiqui residing in the US, announced their disassociation separately.
In a statement, Ghauri said he has resigned from his basic party membership and is relieving himself of all official responsibilities within the MQM.
Ghauri said further that the reasons for leaving the party are purely personal, adding that he will not be joining any political party and group for now.
Ghauri has remained as the federal minister for ports and shipping, as well as a lawmaker in the provincial and national assemblies, and the Senate.