In pictures: Germanwings A320 crash in French Alps

Images of the hunt for Germanwings Airbus A320 after the plane crashed in the French Alps with 150 people on board. French authorities say there are no survivors.

French rescue services are trying to reach the crash site of Germanwings Airbus A320

The first pictures of the area that rescuers are searching give a sense of the difficulty of conditions on the ground

The only way to reach the crash site is via helicopter

The weather conditions are hampering rescue efforts. A local firefighter described visibility as "atrocious"

French Interior Minister Bernard Cazeneuve has flown into the Alps to oversee rescue efforts

Relatives of passengers have assembled at El Prat airport in Barcelona

Sixteen German students from the Joseph-Koenig school in Haltern are believed to have been on board

Spanish authorities say that 45 Spanish citizens were on board the plane that departed from Barcelona

The plane's intended destination was Duesseldorf and 67 German citizens are thought to have been on board

An arrivals board at Duesseldorf airport shows the missing Germanwings flight