A Dubai-bound Air Express flight from Mumbai carrying 186 persons on board landed back at the Mumbai airport yesterday under emergency conditions due to a "hydraulic" failure. No harm to any passenger was reported. <br />'' <br />''Boeing 737-800 plane operating on the Mumbai-Dubai route landed safely at Chhatrapati Shivaji Maharaj International Airport after being airborne for nearly an hour. The plane had departed from Mumbai around 2 pm and it landed safely back around 3 pm with 186 persons on board following the pilot seeking a diversion back to the city due to the hydraulic failure. <br />''<br />''<span style="color: #222222;"> </span><br />