House Freedom Caucus Chairman Rep. Mark Meadows (R-NC) suggested that Trump may not even approve the budget if there is no allocation of funds to his wall, something which the White House has refused to comment on.
Instead, all that was required was "anywhere from 700 to 900 miles of see-through wall".
"And if you have people on the other side of the wall, you don't see them - they hit you on the head with 60 pounds of stuff?"
The president further detailed Wednesday that the wall would necessitate materials or a design that would allow for persons to have the ability to see through to the other side. "We're taking wall that was good but it's in very bad shape", he said.
"So in a true sense, we've already started the wall", he added. "It's over", Mr Trump said.
On the flight to Paris from Washington, Mr Trump told reporters that a wall along the whole 2,000-mile (3,200km) US-Mexico border might not be necessary.
During the 2016 presidential campaign, Trump said Mexico would pay for the wall to keep illegal immigrants from entering the United States.
"This would cause incalculable damage to the integrity of wildlife populations on either side of the border, as well as the massive societal disruption it would cause", Defenders of Wildlife's Senior Vice President of Conservation Programs Bob Dreher told NBC News in April. Federation for American Immigration Reform spokesman Ira Mehlman said, "We expect he will fulfill the promises he made and we are going to continue to hold him accountable", the Times reported.
Filed by a non-profit legal services group called "Al Otro Lado" along with six unidentified people in U.S. District Court in central California, the class action lawsuit said border agents have used "misrepresentations, threats and intimidation", to tell asylum seekers they can not enter the country at various border crossings in California, Arizona and Texas.
Trump says about 650 miles of fences and barriers already at the border need to be replaced or fixed.
Trump had said in January that he will seek to pay for the wall by imposing a 20 percent tax on imports from Mexico and as part of a larger comprehensive tax reform plan. One topic that came up among the many: that border wall.
One of Trump's biggest campaign promises, to build a border wall along the southern border of the United States, has kind of fallen under the radar recently as Trump struggles to push through a new healthcare bill and tries his hand at global diplomacy.
Trump repeatedly pledged during the campaign that Mexico would foot the wall's bill, but has since acknowledged the USA could pay upfront and "be paid back by Mexico later". So we've actually, in the true sense - you know, there's no reason to take it down'.