The tweet from Trump, which many on social media have pointed out has racial undertones, comes on the heels of the newly minted member of the Los Angeles Lakers criticizing the reality television star during an interview with Don Lemon on CNN.
LeBron James has opened his school named "I Promise" to 240 third and fourth graders in his hometown Akron, Ohio.
National Basketball Association player Karl-Anthony Towns added in a tweet: "So let me get this straight: Flint, MI has dirty water still, but you anxious about an interview about a man doing good for education and generations of kids in his hometown?"
The first lady's office was asked by news organizations [sic] for comment.
This is not the first time Melania Trump has publicly expressed views or taken action that demonstrated an independent streak, CNN reported. In 2013, he congratulated James on winning Athlete of the Year at the ESPYs and "a great guy".
Cleveland Cavaliers forward LeBron James (23) reacts after a play against the Boston Celtics in game six of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena. The statement read: "I support LJ, he's doing an unbelievable job for his community".
Chelsea Keen On Liverpool Target Nabil Fekir But Europa League Negative Factor
Lyon manager Bruno Genesio has refused to rule out the sale of Nabil Fekir before Thursday's transfer deadline for English clubs. But the transfer window is still long and everything goes very quickly in football.
Swiss police confirm 20 dead in WWII vintage plane crash
On its website, JU-Air mentions one past accident, in 1987, at the Koblenz airport in Germany in which nobody was hurt. Officials said 11 men and nine women were killed, most from Switzerland but also a couple and their son from Austria.
Virat Kohli century means England pay high price for dropped catches
That was when Sam Curren was thrown the ball and in the spate of eight deliveries the left-arm pace ace got three wickets. It was the second time in the match that Ashwin had dismissed Cook, England's all-time leading Test run-scorer, this way.
On Saturday, Jordan weighed in, telling NBC through a spokesman: "I support LJ".
CNN's communications team referenced recent reports that Trump grew enraged when first lady Melania Trump watched CNN aboard Air Force One.
There have been reports of a rift between Trump and his First Lady, who have had to contend with allegations he cheated on her with porn star Stormy Daniels and others.
He also argued that Mr Trump's actions had encouraged racists, saying: "I think [racism's] always been there". Trump's former rival Hillary Clinton backed James as a "great family man" and "incredible ballplayer" who "gives back to his community, and isn't afraid to speak his mind".
The gay news anchor fired back, tweeting, "Who's the real dummy?" In the interview, James accused the president of using sports to drive people apart.