Officer says 'minimal but necessary force' used on United passenger

One of the police officers who forcibly removed a passenger from a United Airlinesflight said "minimal but necessary force" was used in the incident that became a public relations disaster for the carrier, according to a report released by the city.Video recorded by other passengers showed David Dao, a 69-year-old doctor, being dragged down the aisle with blood on his face after refusing to give up his seat on a flight from Chicago to Louisville, Kentucky on April 9.Dao suffered a concussion and