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More followers of Iraqi Shiite cleric join rally in Baghdad

  • Followers of Shiite cleric Muqtada al-Sadr participate in a sit-in at Tahrir Square, Baghdad, Iraq, Sunday, April 17, 2016. Failed attempts to oust the speaker of parliament and a fresh ultimatum from an influential Shiite cleric have left Iraq in a state of political limbo. A simmering political crisis in Baghdad escalated this week when parliament failed to approve a new Cabinet lineup presented by Prime Minister Haider al-Abadi. The shakeup was just the most recent effort by al-Abadi to salvage promises of reform first made last August. (AP Photo/Ali Abdul Hassan)

    Followers of Shiite cleric Muqtada al-Sadr participate in a sit-in at Tahrir Square, Baghdad, Iraq, Sunday, April 17, 2016. Failed attempts to oust the speaker of parliament and a fresh ultimatum from an influential Shiite cleric have left Iraq in a state of political limbo. A simmering political crisis in Baghdad escalated this week when parliament failed to approve a new Cabinet lineup presented by Prime Minister Haider al-Abadi. The shakeup was just the most recent effort by al-Abadi to salvage promises of reform first made last August. (AP Photo/Ali Abdul Hassan)  (The Associated Press)

  • Followers of Shiite cleric Muqtada al-Sadr chant slogans during a sit-in at Tahrir Square, Baghdad, Iraq, Sunday, April 17, 2016. Failed attempts to oust the speaker of parliament and a fresh ultimatum from an influential Shiite cleric have left Iraq in a state of political limbo. A simmering political crisis in Baghdad escalated this week when parliament failed to approve a new Cabinet lineup presented by Prime Minister Haider al-Abadi. The shakeup was just the most recent effort by al-Abadi to salvage promises of reform first made last August. (AP Photo/Khalid Mohammed)

    Followers of Shiite cleric Muqtada al-Sadr chant slogans during a sit-in at Tahrir Square, Baghdad, Iraq, Sunday, April 17, 2016. Failed attempts to oust the speaker of parliament and a fresh ultimatum from an influential Shiite cleric have left Iraq in a state of political limbo. A simmering political crisis in Baghdad escalated this week when parliament failed to approve a new Cabinet lineup presented by Prime Minister Haider al-Abadi. The shakeup was just the most recent effort by al-Abadi to salvage promises of reform first made last August. (AP Photo/Khalid Mohammed)  (The Associated Press)

  • Followers of Shiite cleric Muqtada al-Sadr sit-in at Tahrir Square, Baghdad, Iraq, Sunday, April 17, 2016. Failed attempts to oust the speaker of parliament and a fresh ultimatum from an influential Shiite cleric have left Iraq in a state of political limbo. A simmering political crisis in Baghdad escalated this week when parliament failed to approve a new Cabinet lineup presented by Prime Minister Haider al-Abadi. The shakeup was just the most recent effort by al-Abadi to salvage promises of reform first made last August. (AP Photo/Ali Abdul Hassan)

    Followers of Shiite cleric Muqtada al-Sadr sit-in at Tahrir Square, Baghdad, Iraq, Sunday, April 17, 2016. Failed attempts to oust the speaker of parliament and a fresh ultimatum from an influential Shiite cleric have left Iraq in a state of political limbo. A simmering political crisis in Baghdad escalated this week when parliament failed to approve a new Cabinet lineup presented by Prime Minister Haider al-Abadi. The shakeup was just the most recent effort by al-Abadi to salvage promises of reform first made last August. (AP Photo/Ali Abdul Hassan)  (The Associated Press)

More followers of an influential Iraqi Shiite cleric have joined a rally in central Baghdad to press lawmakers to vote on a Cabinet shakeup proposed by the prime minister.

Police have cordoned off a downtown square with razor wire and concrete blocks after hundreds of Muqtada al-Sadr's supporters on Sunday erected camping tents for what's expected to be a long sit-in.

Al-Sadr on Saturday issued an ultimatum to parliament to vote on a new government on Monday's session.

Prime Minister Haider al-Abadi has offered a list of technocrats nominated for his new government but political blocs have rejected the nominees.

A vote on a second list was delayed last week when lawmakers staged a sit-in demanding the country's top political leadership step down, including al-Abadi and the parliament speaker.