Pandemic-related restrictions known as Title 42 expire, straining US immigration system

As pandemic-era asylum restrictions ended early Friday, migrants in northern Mexico faced more uncertainties about a new online system for appointments to seek asylum in the US. Some migrants still waded apprehensively into the Rio Grande, defying officials who shouted for them to turn back, while elsewhere along the US-Mexico border people hunched over cell phones trying to access an appointment app that may change their future.