The MQM is a kingmaker in Pakistani politics. Its withdrawal from the ruling coalition is seen by some as a move to 'quit a sinking ship early.'
Karachi, Pakistan, was tense on Friday amid fears that the assassination of exiled political leader Imran Farooq could spark ethnic violence.
As Pakistan struggles to recover from what may be the worst flooding in its history, the future of the country's leadership has been called into question.
President Zardari announces that the country could take three years to recover from the Pakistan floods. Politicians have been notably absent in Pakistan recently.