PHILADELPHIA (AP) — US Airways says it is investigating the removal of a blind man and his service dog from a flight at Philadelphia International Airport. WPVI-TV (http://bit.ly/1746PF5 ) says Albert Rizzi, who is legally blind, says he was told that his guide dog had to stay under a seat during Wednesday night's flight to Long Island. Rizzi said the dog became restless after a flight delay and curled up under his legs, and he was told that the plane would have to turn around if it wasn't under a seat. US Airways told the station that Rizzi became verbally abusive and other passengers became argumentative, sparking safety concerns. The flight was eventually cancelled, and Rizzi and some other passengers accepted a US Airways offer to transport passengers by bus to Islip, N.Y.Read more on NewsOK.com