McALLEN, Texas — Three Americans were among 10 suspects arrested in a shootout with Mexican federal troops Monday that left three gunmen dead in the Mexican border city of Rio Bravo. A gunfight broke out in front of the Rio Bravo police station between Mexican soldiers, federal police and suspected drug cartel members, officials said. The Americans arrested Monday were Esteban Valdez de los Santos of Texas and Ricardo Zamora Lopez and Jose Raul Gonzalez Sanchez, both of Detroit, The McAllen Monitor reported. It wasn't immediately known where in Texas Valdez was from. The Monitor reported that at least two...