A helicopter crashed Sunday into the garden terrace of a restaurant in southeastern France, killing three people on the ground and severely injuring a fourth, rescue workers said. The Alouette 2 aircraft slammed into the garden of the Chez Bob restaurant along a highway between the towns of Salin-de-Giraud and Arles, rescue workers said. One woman whose leg was severed in the crash was taken to a nearby hospital. Police were investigating. Four occupants of the helicopter were not injured, the officials said.