Lufthansa, Europe's largest airline by revenue, joined rival Emirates in calling for an airline summit to discuss the industry's response to the downing of an airliner over Ukraine, saying international security protocols should be reviewed.
Murder In The Sky: Malaysia Airlines Flight MH17
Reuters: Lufthansa joins Emirates in calls for airlines summit on MH17
Aircrafts of German airline Lufthansa stand in park position at the airport in Frankfurt am Main, western Germany, on April 2, 2014.
