US airline refused to let 6 Muslim elders board the plane
And then, when the six Imams try to use/buy tickets once more from the company, their purchase were rejected and told that the money will be refund. They believe this is religion discrimination. (Link)
Update: Airline spokesman says that those Imams were sitting in a formation similar to 911 attack, they also raise further suspicion by making some peculiar move. The airline standby their decision was correct.