Immigrant children wait to be processed at a US Border Patrol transit center after crossing the border from Mexico at Eagle Pass, Texas, during the weekend. Faced with the daily arrival of thousands of migrants from Mexico, US states and federal border police are declaring themselves overwhelmed, a crisis that is exposing the Biden administration to heavy fire from its Republican opponents.In recent weeks, the border police have reported some 10,000 people crossing the border every day, an even faster pace than in previous months. AFP