Southwest Airlines jet with engine, window damage makes emergency landing

PHILADELPHIA (CBS/AP) -- A Southwest Airlines jet made an emergency landing at Philadelphia's airport Tuesday with part of the covering from its left engine ripped off and a window damaged. Neither the airline nor the Federal Aviation Administration explained what went wrong.Passenger Marty Martinez told CBSN from the plane that a woman was injured and was taken off the plane."There was blood everywhere," Martinez told CBSN's Anne-Marie Green.Details on the passenger's condition weren't immediat