By Mariana Martinez &nbsp;&nbsp;&nbsp; Part of the San Ysidro Border structure collapsed midday on Wednesday leaving 24 people injured and causing damages at the busiest land border crossing in the world. &nbsp;&nbsp;&nbsp; The collapse happened around 10:45 am between lanes 1 through 8 while the rest of the structure had no visible damage. &nbsp;&nbsp;&nbsp; &ldquo;It [...]