WASHINGTON — Day 4 of former President Donald Trump’s historic second impeachment trial is now underway.

The trial will force the Senate to decide whether to convict him of incitement of insurrection after a violent mob of his supporters laid siege to the U.S. Capitol on Jan. 6.

>>> WATCH THE TRIAL LIVE <<<

While Trump’s acquittal is expected, Democrats hope to gain at least some Senate Republican votes by linking Trump’s actions to a vivid description of the violence, which resulted in five deaths and sent lawmakers fleeing for safety.

Read: Impeachment trial: New video shows insurrection at Capitol

The House impeached Trump on Jan. 13, one week later.

Impeachment trial: Never-before-seen videos revealed from insurrection at Capitol (NCD)

Trump’s lawyers say the trial should not be held at all because the former president is now a private citizen.

Read: Impeachment trial: Read Trump’s attorney’s plan for his defense

They argue that he did not incite the violence when he told his supporters to “fight like hell” to overturn his defeat.

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Watch the trial LIVE on Channel 9, on wftv.com or on your smartphone or smart TV.

The Associated Press contributed to this report.

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Damage seen in aftermath of US Capitol riot Broken windows at an entrance to the U.S. Capitol building in Washington, D.C., U.S., on Thursday, Jan. 7, 2021. Joe Biden was formally recognized by Congress as the next U.S. president early Thursday, ending two months of failed challenges by his predecessor, Donald Trump, that exploded into violence at the U.S. Capitol as lawmakers met to ratify the election result. (Graeme Sloan/Bloomberg via Getty Images)

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US Capitol protests Paramedics perform cardiopulmonary resuscitation on a patient on January 6, 2021, in Washington, D.C. Demonstrators breeched security and entered the US Capitol in Washington, DC, as Congress debated the a 2020 presidential election Electoral Vote Certification. (Photo by ANDREW CABALLERO-REYNOLDS/AFP via Getty Images) (ANDREW CABALLERO-REYNOLDS/AFP via Getty Images)

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