A migrant helps two Venezuelan children to cross the Rio Grande river from Ciudad Juarez, Chihuahua state, Mexico to El Paso, Texas, US in search of political asylum on December 27, 2022. - The US government's two-year-old policy of invoking Covid-19 precautions to turn away hundreds of thousands of migrants at the Mexican border will remain in place for now, the Supreme Court ruled Tuesday. The decision to uphold the controversial rule known as Title 42 stemmed off a looming political crisis for President Joe Biden, as thousands waited at the southern border in expectation the policy was about to end. (Photo by Herika Martinez / AFP)