General Elections were held on March 7, 1977. PPP emerged as the victorious Party. At the behest of General Ziaul Haq, PNA accused government of so-called rigging in the elections. Negotiations with PNA resumed. An Agreement was reached on June 8, 1977 for holding Fresh Elections on October 8, 1977.
On July 5, 1977 COAS General Ziaul Haq imposed Martial Law unilaterally. The National Assembly, the Senate and Provincial Assemblies were dissolved and Constitution held in abeyance.
Zia’s Military Junta established a dummy government of PNA with CMLA as President. Zulfikar Ali Bhutto arrested on July, 5, 1977 and released on July 28, 1977.