Trump's comments about people coming across the border to vote were a response to Art Del Cueto, president of the union's Tucson, Arizona, chapter, who attended the session.
House Speaker Paul Ryan said he's "sickened" by Trump's lewd comments and called on him to show respect for women.
"They are letting people pour into the country so they can go ahead and vote", the Republican presidential candidate responded, saying it would be ignored by the media.
"You've been reading the same stories as I've been reading, so go to your place and vote, and then go pick some other place, and go sit there with your friends and make sure it's on the up and up", Trump said at a rally in the Detroit suburbs September 30.
In his meeting on border security, Trump said border agents have been told to allow immigrants into the United States illegally "so they can vote in the election".
Donald Trump on Friday accused the Obama administration of speeding up the naturalization of immigrants "so they can vote in the election" - presumably for his Democratic rival, Hillary Clinton.
Trump declared himself a changed man, but raised the infidelities of former President Bill Clinton and slammed his Democratic opponent in the November 8 election, Hillary Clinton, saying he would talk more about their past in coming days.
While there has never been a winning write-in campaign in a US presidential contest, such an effort could make it harder for Trump to win.
"And when you're a star they let you do it", he said. After his uneven showing in the first contest, public opinion polls have showed Clinton pulling ahead in almost all battleground states, some of which are already in the midst of early voting.
Trump and Hillary Clinton are squaring off at their second of three debates on Sunday night, which could be the last chance for the Republican nominee to rescue his campaign.
Trump and Clinton have been treading somewhat lightly on the campaign trail in recent days, as Hurricane Matthew barreled down on swing state Florida.
Kejriwal again urges Centre to expose Pakistan
Sharma said it was unfortunate that he fell victim to Pakistani media propaganda and began questioning the army. Twitterati lashed out at Kejriwal for indirectly calling on the PM to prove the strikes happened.
"Nothing that has happened in the last 48 hours is surprising to me or many others", said Ohio Gov. John Kasich, who was critical of Trump when he ran against him in the primary and has remained so for months. Trump, who had owned the Miss Universe pageants, refused to back down from his comments about Machado, unleashing a predawn Twitter tirade about her.
Trump said he "moved on her like a b***h" and then made a crass remark about the woman's breast implants.
This wouldn't be the first time Trump has suggested the election is "rigged" and that voter fraud is a real threat at election polls, claims that have been refuted over and over again because in-person fraud is so rare.
"Governor Mike Pence will be representing me tomorrow in Wisconsin", Trump's statement said.
Mr Trump said "I apologise if anyone was offended" after the Washington Post revealed the video of him caught on a hot microphone while talking with Billy Bush of Access Hollywood. But he has since encouraged supporters to monitor polling places on Election Day.
"You know I'm automatically attracted to beautiful - I just start kissing them". Less than five weeks from Election Day, Trump still needs to expand his support to overtake Clinton, and is struggling in particular with minorities and women.
Immigrants who do not realize that there are two separate entities tied to the immigration process can become confused and fail to fulfill their obligations such as appearing for court dates, said the New York Times.
Kaine said, "When Donald Trump spoke in Phoenix, he looked the audience in the eye and he said 'no, we're building a wall and we're deporting everybody.' He said, quote, 'They will all be gone".
Trump, however, quickly veered from his message of support.
Republican presidential nominee Donald Trump meets with leadership members of the National Border Patrol Council while receiving the group's endorsement during a meeting at Trump Tower in Manhattan.