Mexican officials say they discovered one of the longest and more sophisticated tunnels ever found on the U.S.-Mexico border.
The tunnel is 9 feet deep and 2,600 feet long – a distance of about half a mile. It was lit, ventilated and had steel beams to shore up the walls and prevent a collapse.
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20:54 Donald Trump has given the Mexican president the biggest gift he could wish for16
23:38 President Trump sends two Cabinet members south of the border19
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