<br /> <p>At least 14 people were injured</a> when a temporary wall collapsed on fans lining up to the enter a Backstreet Boys concert at Winstar Casino in Thackerville, Oklahoma, on Saturday, August 18.</p><p>The casino said in a statement</a> that fans were asked to seek shelter after lightning was spotted near the venue but around 150 guests remained outside.</p><p>“At approximately 5:30 p.m., the storm hit and knocked over the concert entrance trusses with 70-80 mile an hour winds and heavy rain. 14 people were treated at the scene and then transported to local hospitals. Two have already been released.” Credit: @Nessuh_86 via Storyful</p><br />