42 people feared dead in traffic accident in SW France
Reports say the bus and the truck caught fire after the collision.
The two vehicles are reported to have collided head-on in the town of Puisseguin, near Libourne in the Gironde region, east of Bordeaux.
Sud Ouest newspaper says the bus was carrying elderly people who were setting off on holiday.
This is reportedly the worst French road disaster since one in Beaune in 1982 in which 52 people died.