Angry Rangers let rip over fan treatment in Porto as they launch investigationThe club have released a strong statement in the wake of supporter ire following the 3-1 Europa League defeatView Image Rangers fans in OportoFrustrated Rangers have vowed they will get to the bottom of the issues which blighted the experience of their fans during their trip to Porto. ‌Now Rangers have vowed to seek answers as they insist they share the "anger" of their travelling supporters. A club statement read: "Following tonight’s match in Porto, we’ve received multiple reports from supporters and staff about issues in and around the stadium. We're also WhatsApp where we bring all the latest breaking news and transfer gossip directly to your phone. It's a fast moving Transfer season and you can follow it all, including a countdown to the window closing, with our LIVE BLOG.