Confusion and uncertainty over the vote for interim prime minister in Libya . al-Awami was sworn-in Sunday as interim PM . Highest-ranking Libyan parliament official says Saadi vote was invalid . Benghazi 's parliament expected to clarify results when it reconvenes Monday .
Confusion and uncertainty over the vote for interim prime minister in Libya . Businessman Ahmed Mitig was sworn-in Sunday as interim PM . Highest-ranking Libyan parliament official says Mitig vote was invalid . Libya 's parliament expected to clarify results when it reconvenes Monday .