Reaction of all parties to the air crash of Germanwings flight 4U9525.

After the plane crash of Germanwings flight 4U9525, both Germanwings and Lufthansa have changed their social network account identities to gray. @ Lufthansa also posted the news of the plane crash on its official Sina Weibo, saying that "Lufthansa and Germanwings are deeply shocked and sorry for this incident, and deeply pray for all passengers and crew of this airline." In addition, Airbus has indicated that it will send a team of technical experts to assist the French investigation.

When Merkel learned of the accident, she felt "shocked". Merkel said that "we are going through a difficult period". Germany, France and Spain are mourning for the victims and will determine the cause of the crash. Merkel said that she would go to the crash site tomorrow, and the German Foreign Minister and the Minister of Transport were already on their way.

The German Ministry of the Interior said that all federal government departments will fly flags at half mast from 25th to 27th.

Many cities in Germany began to hold mourning activities for the victims of the air crash on the 25th, and the city of Dü sseldorf placed letters of condolence for all the victims in the hall of the city hall. Joseph Koenig Middle School in Haten also held a memorial service for 16 students and two teachers who took the crashed flight that morning. King Philip VI of Spain, who is on a state visit to Paris, also said that after communicating with French President Hollande and Spanish Prime Minister Rajoy, he decided to postpone his state visit and expressed condolences to the families of the victims.