KOTLI (Agencies) - At least 20 people were killed and 50 injured when a passenger bus plunged into a deep ravine in Kotli District of Pakistan Occupied Kashmir, a private TV channel reported on Friday. The bus was travelling to Dhanwan Goi from Kotli via Tatta Pani, when it fell into ravine. Dead and injured were being shifted to the District Headquarters Hospital Kotli. Children and women were among the victims.