CHARLOTTE, NC -- A flight from Madrid, Spain to Charlotte, North Carolina was diverted to Boston Logan International Airport. This happened on Saturday around 11 a.m. According to Kathleen Bergen, FAA Spokesperson, the U.S. Airways flight 749, a Boeing 767, was diverted after smoke was reported from the cockpit. None of the 192 passengers were injured but four flight attendants were taken to the hospital for evaluation. Several calls have been placed to U.S. Airways however there is no word yet on what caused the fire or how long delays were. The flight has landed safely in Boston since the reported emergency. The Boeing 767 plane has been taken out of service to be evaluated.