The two parties seem to be at odds with each other regarding the way LB elections should be held in sindh.
The mqm wants to retain the 2001 system whereas the ppp wants it replaced with 1979 local bodies system but with some minor changes.
MQM wants land revenue and police to be under local bodies.
PPP wants to divide karachi into 5 or more districts which mqm wont allow.
If deadlock over the local bodies system persists then it might become impossible for MQM and PPP to keep their alliance intact and eventually lead to mid-term polls.