Anti-Israel protesters are swarming outside the Democratic National Convention in Chicago as police gear up for a week of unrest in the city.

The four-day convention kicks off Monday at the United Center near the West Side, where as many as 100,000 anti-Israel demonstrators are expected to protest throughout the week.

At least seven large demonstrations took place on the eve of the convention on issues from abortion to voicing objections to U.S. support for Israel, the Chicago Tribune reported.

The city prepared for discord by fencing off the convention center and recruiting a heavy police presence to the scene.

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Police and protesters in Chicago

Police clash with anti-Israel agitators marching ahead of the Democratic National Convention on Aug. 18, 2024, in Chicago. (Getty Images)

Police and demonstrators

Police and anti-Israel agitators clash in downtown Chicago on Aug. 18, 2024. (Jim Vondruska/Getty Images)

Codepink protest

Activists organized by Codepink march on North Michigan Avenue on Sunday, Aug. 18, 2024, in Chicago, host city for the Democratic National Convention. (Armando L. Sanchez/Getty Images)

Gov. JB Pritzker, D-Ill., said around 150 Illinois National Guard members are on "standby" for the convention, Fox 32 reported. 

police officer watches marchers

An Chicago police officer watches as anti-Israel agitators march ahead of the Democratic National Convention on Aug. 18, 2024. (Jim Vondruska/Getty Images)

police guard Hilton

Police stand guard in front of the Hilton hotel ahead of the Democratic National Convention on Aug. 18, 2024 in Chicago. (Jim Vondruska/Getty Images)

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Businesses also boarded up their doors ahead of the anticipated protests.

Businesses boarded up

A downtown business was boarded up in anticipation of violent protests during the Democratic National Convention on Aug. 18, 2024, in Chicago. (John Moore/Getty Images)

Staples boarded up in Chicago

Downtown businesses prepared for protests during the Democratic National Convention on Aug. 18, 2024. (John Moore/Getty Images)

More than 300 police officers joined Police Superintendent Larry Snelling on Saturday for a police training session ahead of the convention, the Chicago Police Department shared in a post on X, formerly Twitter.

Police on bicycles

Police on bicycles stage on Upper Wacker Drive for an anti-Israel protest ahead of the Democratic National Convention on Aug. 18, 2024 in Chicago. The convention runs from Aug. 19-22. (Jim Vondruska/Getty Images)

President Biden is scheduled to deliver an opening night address Monday to pass the torch to Vice President Kamala Harris.

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The convention, where Harris will formally accept the Democratic nomination, will take place from Aug. 19 to 22.