Several workers injured after being pulled from the rubble after massive scaffolding collapses. Tune into World News Tonight with David Muir weeknights at 6:30 .\r<br>\r<br>Several workers injured after being pulled from the rubble after massive scaffolding collapses.\r<br>\r<br>\r<br>\r<br>Make ABC News your daily news outlet for breaking national and world news, broadcast video coverage, and exclusive interviews that will help you stay up to .
