Multiple independent sources confirm that a federal judge issued an emergency order temporarily blocking the Trump administration's plan to deport about 600 unaccompanied Guatemalan children, resulting in planes carrying these children being grounded.
The Trump administration grounded planes carrying migrant children that the White House intended to deport to Guatemala after a federal judge issued an emergency order temporarily blocking any removal of about 600 unaccompanied minors.

Judge orders US to halt deportation of hundreds of Guatemalan children - US immigration | The Guardian
Source: theguardian.com
Key Evidence
BBC News reports a US judge temporarily blocked the Trump administration's attempt to deport dozens of unaccompanied Guatemalan children.
bbc.combbc.comJudge blocks Trump administration move to deport Guatemalan children
The Guardian and PBS News describe how children were loaded onto planes but were prevented from being deported due to the judge's emergency order.
theguardian.comtheguardian.comJudge orders US to halt deportation of hundreds of Guatemalan children
pbs.orgpbs.orgJudge temporarily blocks Trump administration’s deportation flights for...
AP News and Denver Gazette confirm that about 600 children were affected and that flights were grounded following the court ruling.
denvergazette.comdenvergazette.comUS judge blocks government from deporting unaccompanied Guatemalan children
apnews.comapnews.comAs Guatemalan kids sit in planes on tarmac, judge orders they stay in the US,...
What the Evidence Shows
All seven sources independently report that a U.S. Federal judge issued an emergency order halting the Trump administration's attempt to deport a group of unaccompanied Guatemalan children. The number of children affected is consistently reported as approximately 600 to nearly 700.
Several sources specifically mention that some children had already been loaded onto planes or were on planes at airports when the judge's order was issued, effectively grounding those flights and preventing deportations from proceeding.
The judge's order was a response to legal challenges by immigrant advocates and attorneys who argued that the deportation plan violated legal protections for these minors.
The order required that the children remain in federal custody for at least 14 days, providing a temporary reprieve from removal.
The sources are consistent in describing the timeline and circumstances: the Trump administration intended to deport these children, but the judicial intervention stopped the flights and removals temporarily.
There is no contradictory evidence among the sources; all corroborate the core facts of the emergency judicial block and grounding of planes carrying migrant children slated for deportation to Guatemala.
Therefore, based on multiple independent, reliable news outlets reporting on this event with consistent details, the claim is well-supported.