A man was killed overnight Thursday in a collision between a truck and two cars on the Beersheba-Dimona highway, near Havat Ram junction, in the South. Five others were injured in the accident, one seriously, three moderately and one lightly. Police said that the cause of the collision was unclear. Meanwhile, a 28-year-old driver was seriously injured after he crashed into a parked truck in Ashdod. The man was evacuated to Tel Hashomer's Sheba Medical Center. Police were investigating the circumstances of the crash. On Thursday morning, three people were killed and four others injured in two separate road accidents, one near Beit Guvrin and the other near Kibbutz Tsuba.