KASUR: At least six people were killed and 12 wounded as a bus collided with a van near Kasur late Wednesday, rescue sources said. The incident took place late night when a bus collided with a van on Patoki-Multan Road near Kasur, rescue sources said. The collision left six people dead, including a woman. Twelve other passengers got injured who were shifted to the hospital. The cause of the accident is unknown, sources added.