WARSAW (AFP) - A Boeing 767 with 220 passengers on board on Tuesday made an emergency landing on its belly at Warsaw international airport after its landing gear failed, an airline spokesman told AFP. Fire and ambulance crews were deployed and all passengers and crew travelling on the plane belonging to national flag carrier LOT Polish Airlines were able to disembark safely. "The Boeing 767-300 with 220 passengers aboard travelling from Newark made a successful emergency landing after its landing gear failed to deploy," LOT spokesman Leszek Chorzewski told AFP Tuesday. "The plane landed safely on its belly on the runway which had been sprayed with special flame retardant substances." Chorzewski added.