"Two planes from Duesseldorf and Barcelona, with familiesand friends of victims on board, have just landed," the  official, Pierre-Henry Brandet, informed.

Read More:French prosecutor: Co-pilot wanted to 'destroy' plane

They were due to meet prosecutor Brice Robin, who is leading the investigation, before taking a bus to the area of the crash in the Alps.

A plane chartered by Lufthansa left Barcelona about 10:00 am (local time) for Marseille carrying some 60 relatives on board, a source in the Spanish crisis committee for the disaster cited.

All 150 people on board the Airbus 320 operated by Germanwings, Lufthansa's low-cost subsidiary, died when it crashed on Tuesday en route from Barcelona to Duesseldorf in

At least 72 Germans and 51 Spaniards were among those on board, according to various tolls given by Spanish authorities and the airline.

Escorted by police, the families made no comment to reporters as they boarded buses at a nearby hotel for Barcelona's El Prat airport early Thursday morning.

They were accompanied by Red Cross workers, and were accompanied by psychological counsellors on the flight.

A handful of other relatives left Barcelona for France yesterday by coach because they did not want to fly, an official detailed.

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