Pakistan ? The last of Pakistan’s four provincial assemblies voted unanimously Friday in favor of ousting President Pervez Musharraf, leaving him with few options as the threat of his impeachment looms.

The vote in the southwestern province of Baluchistan was delivered within hours of an announcement by the two parties in Pakistan’s ruling coalition that their leaders had completed a draft of the formal impeachment charges expected to be filed in Parliament on Monday.

The country’s three other provincial assemblies voted in favor of Musharraf’s impeachment earlier this week, with dozens of members of Musharraf’s Pakistan Muslim League-Q party casting votes in favor of his ouster.

Leaders of the ruling parties, the Pakistan People’s Party and the Pakistan Muslim League-N party, called Aug. 7 for Musharraf to be impeached. Since then, pressure has mounted on him to step down.

On Friday, former Prime Minister Nawaz Sharif, leader of the Pakistan Muslim League-N party, said Musharraf should be tried for treason if Parliament votes to impeach him.

A two-thirds majority vote in a joint session of the National Assembly and the Senate is required to impeach Musharraf. Parliament would then have 30 days to vote on his replacement.