Protesters demonstrating against President-elect Donald Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE blocked Inauguration Day security screening checkpoints in Washington, D.C., early Friday morning.

Protesters chained themselves to each other and the fences surrounding the checkpoints near the National Mall as inauguration attendees waited to pass through security screening.

Reports on Twitter showed that protesters shut down one security check point at John Marshall Park, which is near the U.S. Capitol Building, where President-elect Donald Trump’s swearing in will take place.

This is the scene right now at the shut down John Marshall Park #Inauguration checkpoint #disruptJ20 #blm pic.twitter.com/D9fV8JHDyD — Rachel Kurzius (@Curious_Kurz) January 20, 2017

However, the Secret Service announced that all security checkpoints were still open despite protests.

All checkpoints are open.



Follow this account for all updates on #Inauguration — U.S. Secret Service (@SecretService) January 20, 2017

Earlier reports on Twitter showed that several groups of anti-Trump protesters blocked a number of entrances to the National Mall for the inauguration, chanting “this checkpoint is closed” and “we have nothing to lose but our chains.”

"It is our duty to fight for our freedom ... we have nothing to lose but our chains" #DisruptJ20 #Inauguration pic.twitter.com/kQJXwYJrxL — Rachel Kurzius (@Curious_Kurz) January 20, 2017

Protesters blocking entrance to a checkpoint pic.twitter.com/0B6JCB3yGA — Zoe Tillman (@ZoeTillman) January 20, 2017

Another group blocking the checkpoint entrance pic.twitter.com/2pi3m3dpW6 — Zoe Tillman (@ZoeTillman) January 20, 2017

Chanting "this checkpoint is closed," turning away attendees pic.twitter.com/Y0mFAqT7mK — Zoe Tillman (@ZoeTillman) January 20, 2017

Hundreds of anti-Trump protesters descended upon D.C. for Inauguration Day. #DisruptJ20, a group who gathered to protest Trump’s inauguration, planned protests throughout the city over inauguration weekend. The group had planned to block security check points throughout the morning.

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Protesters blocked more than 10 security check points and used each spot as an opportunity to spread awareness on certain issues, like climate change, the Dakota Access pipeline protests at Standing Rock, feminism and racial justice, according to the group.

This is the scene right now at the shut down John Marshall Park #Inauguration checkpoint #disruptJ20 #blm pic.twitter.com/D9fV8JHDyD — Rachel Kurzius (@Curious_Kurz) January 20, 2017

Scenes from the protests that Trump supporters must pass to get into security checkpoint for inauguration. pic.twitter.com/VWqt5jr2Dz — Yamiche Alcindor (@Yamiche) January 20, 2017

On Thursday evening, hundreds of protesters clashed with police outside the DeploraBall at the National Press Club in downtown Washington.

President-elect Donald Trump's inauguration ceremony is set to take place this morning. He will be introduced to the crowd at around 11 a.m., and his swearing in will take place shortly thereafter.