All times in local Central European Time (GMT&UTC +1).
13:31 - French accident investigators have described the crash site as in Meolans-Revel, a remote and sparsely inhabited commune in the foothills of the French Alps.
13:25 - More market reaction... Lufthansa's share price dropped 4.61 percent to 13.15 euros in Frankfurt following news of the crash, the worst performer on the German stock market. Airbus shares sank 2.08 percent to 58.75 euros, the heaviest drop in Paris.
13:17 - More information on the aircraft... it was a 24-year-old Airbus A320. The twin-engined jet aircraft had been in service with the Lufthansa parent group since 1991.
13:10 - Germanwings is due to hold a press conference at Cologne Bonn Airport at 15:00 local time.
13:05 - German Foreign Minister Frank-Walter Steinmeier takes to Twitter, saying that "our thoughts are with those people who must fear that their loved ones might be among the victims."
The plane was bound for Düsseldorf from Barcelona. The crash site is remote and mountainous, French authorities report it is difficult to access.
12:57 - France's leading air traffic controller union SNCTA called off a strike planned to begin tomorrow following news of the deadly crash. "We are suspending our planned strike as a result of the emotions created in the control rooms by the crash, particularly in Aix-en-Provence," the union's spokesman Roger Rousseau told AFP.
12:52 - French transport minister says there are "no survivors" in the A320 crash. "The debris of a passenger plane has been found in the region of Barcelonette," said French interior ministry spokesman Pierre-Henry Brandet. He said "major rescue efforts" had been mobilized.
12:46 - French President Francois Hollande said there was likely to be a significant number of Germans on the flight from Barcelona to Düsseldorf.
12:40 - Lufthansa - Germanwings' parent company - has expressed its sympathy.
12:32 - German Air Traffic Control (DFS) spokesman Axel Raab told DW that the crash was logged at 10:37 local time. "It is believed that 154 people were on board, six of them crew," he said.
12:24 - Markets react as shares in Airbus, the European manufacturer, slid on news of the accident, down 1.77 percent to 58.94 euros at midday local time after briefly sliding two percent
12:20 - French President Francois Hollande said it was likely all passengers and crew on the Airbus A320 had perished in the crash. "There are not thought to be any survivors," the president said. French Interior Minister Bernard Cazeneuve, said debris from the plane had already been found, and is en route to the scene.
12:13 - French civil aviation authories say a distess call was received at 1047 local time. The plane had been descending at 5,000 feet near the village of Bercelonnette about 100 km (65 miles) north of the French city Nice.
12:09 - French Prime Minister Manuel Valls has briefed the press on the crash. "Of course, we do not know the reasons for this crash, we obviously fear that the 142 to 150 passengers and people on board might have died due to the conditions of this crash," Valls told reporters in Paris, as quoted by Reuters French.
12:05 - Germanwings Flight GWI18G was en route to Düsseldorf from Barcelona when it went down in the Alpes-de-Haute-Provence close to the Italian border. The Airbus A320 reportedly lost contact with air traffic controllers in the mountainous region.