Former U.S. President Donald Trump has engaged in his first public rally in Texas after he was issued a subpoena by the Jan. 6 panel, which leads the probe on the Capitol attack.

CBS News reported that Trump was at the rally to campaign for Republican candidates. He then described Democratic candidates as "against guns, God, and oil."

The former president further slammed the Democrats by saying that he does not think they will be doing well in Texas.

Trump also talked about the Jan. 6 panel subpoena. However, he did not mention whether or not he would be interviewed by the panel.

During Trump's discussion of the Jan. 6 panel subpoena, the crowd interrupted him and sang the national anthem at the Richard M. Borchard Regional Fairgrounds in Robstown.

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Texas Rally Crowd Singing National Anthem

During his Texas rally talk, he praised the crowd that descended upon the Capitol complex; it was the same crowd that is blamed for the death of several members of law enforcement, as reported by The Independent.

The former president was then interrupted by the Texas rally crowd, which spontaneously sang the United States national anthem, Star-Spangled Banner. Cameras revealed two large U.S. flags held upward by a crane over the rally as the crowd started singing.

Trump described the moment as "beautiful" before saying that he thought he had been interrupted by protesters at first, adding that they have not had that kind of moment in two years.

Trump mainly complained about the Jan. 6 panel, which he has given another nickname, "unselect committee."

He also noted that they "don't talk about" the size of the crowd at his rally at the Ellipse on that day and that he claimed that he authorized 10,000 to 20,000 National Guard troops.

Former acting Defense Secretary Christopher Miller disputed Trump's claims on the National Guard troops' deployment during his testimony before the committee. Miller said during his deposition that he was "never given any direction or order or knew of any plans of that nature."

Jan. 6 Panel Subpoena

The Jan. 6 panel requires the former president to hand over documents by November 4 and testify on or about November 14.

The House select committee has already interviewed over 1,000 people regarding the Capitol riot. Many of those interviewed were close to Trump.

The panel believes that Trump has details only he can confirm or provide, as reported by KCRA News.

The committee also requires Trump to submit records of all calls and messages "placed or received by you or at your direction," which included the conference calls on Jan. 6, 2021.

The Jan. 6 panel wrote that they intend to speak to the former president due to his "central role" in an effort to overturn the 2020 election results.

READ MORE: Donald Trump Says FBI Agents Raided Mar-A-Lago Home; Agency's Visit Unannounced

This article is owned by Latin Post.

Written by: Mary Webber

WATCH: Former President Donald Trump holds rally in Texas. - from WFAA