A House vote on the measure is scheduled for Tuesday, but some Democrats are questioning whether the aid package will be used to carry out President Donald Trump's enforcement at the border.
"We've got lives at stake", said Rep.
Congress plans to leave Washington in a few days for a weeklong July 4 recess.
"Because this bill does not provide adequate funding to meet the current crisis, and because it contains partisan provisions created to hamstring the Administration's border enforcement efforts, the Administration opposes its passage", the letter reads, according to a copy obtained by The Associated Press.
Trump tweeted that he wants Congress to resolve "Asylum and Loophole problems" along the border with Mexico.
House Democrats seeking the changes met late Monday with Pelosi, and lawmakers emerging from a morning caucus meeting were supportive of the legislation. "I think that his efforts to use as pawns families who are living in this country are inappropriate", said Hoyer, D-Md.
But three immigration officials told The Associated Press that officials of the federal Immigration and Customs Enforcement agency were anxious that officers would be endangered because details about the raids had been publicly revealed.
Rep. Alexandria Ocasio, D-N.Y., while on her way to the Pelosi meeting, said: "I will not fund another dime to allow ICE (Immigration and Customs Enforcement) to continue its manipulative tactics".
Much of the legislation's money would help care for migrants at a time when federal officials say their agencies have been overwhelmed by the influx of migrants and are running out of funds.
Usyk to fight with Joshua-Ruiz rematch victor
According to him, Joshua is "not good at boxing " and vowed to land another victory when they fight in a rematch. Leapai has fought for a world title in the past, losing to Wladimir Klitschko back in 2014.
Rihanna's message came shortly after Trump announced via Twitter that he would delay the Immigration and Customs Enforcement (ICE) deportation raids for two weeks so Democrats and Republicans could "get together and work out a solution" on the enforcement of his administration's immigration policy.
The White House is threatening to veto a $4.5 billion House bill aimed at improving the treatment of migrant families detained after crossing the USA southern border, saying the measure would hamstring the administration's border security efforts and raising fresh questions about the legislation's fate...
Mrs. Pelosi said they were viewing it wrong.
House Speaker Nancy Pelosi (D-Calif.) said that Democrats made sure to take "full responsibility" to secure the U.S.'s southern border, and insisted that Democrats wouldn't put children in cages in order to do so.
She also went on to point out that she feels Trump is not capable of exhibiting "civilized human behavior".
McAleenan is warning that a widespread round up would risk separating more children from their parents, a situation that has already earned strong condemnation from civil rights groups, the global community and many Americans on all places in the political spectrum. "That's the very definition of callousness", Schumer said.
It is not clear exactly what Trump, who has started his 2020 re-election bid, means regarding asylum and loophole changes. "Help on all of the loopholes, the awful loopholes that could sign over a period of years that don't allow us to do what we should be able to do".
Those children are thousands of illegal immigrants pouring across the border, some unaccompanied and others with parents.