Buoys that the federal government planned to install as anti- immigration deterrents drifted into the Rio Grande amid severe flooding, prompting officials to close several key bridges along the U.S.-Mexico border near Eagle Pass on Thursday and in Laredo on Sunday.Eagle Pass shut down transit at two bridges for about three hours Thursday while it worked to determine whether the approximately 100 buoys posed a threat, City Manager Homero Balderas said. About 9,000 vehicles cross both bridges daily, transiting between Eagle Pass and Las Piedras.“The bridges are the number one funding source for the city,” Balderas said, adding the wayward ...