ISLAMABAD: PPP Co-chairman Asif Ali Zardari has summoned a joint meeting of the Central Executive Committee members and members of the Executive Committee from the Punjab at the Zardari House today to formulate a counter strategy if their coalition partner, PML-N opted for an exit.

The meeting, which will be presided over by Asif Ali Zardari, will discuss the party's working relationship with PML-N, especially in Punjab, sources revealed.