At least seven persons were killed and three others injured Sunday when a minibus rolled down into a 200-feet deep gorge in Jammu and Kashmir’s Rajouri district. Two persons were found dead on the spot while one succumbed to injuries on the way to the hospital in Kandi. Four others succumbed on the way to the hospital, while two are still battling for life. A case under relevant sections has been registered and further investigations are on. Primary investigations suggest that brake failure is the cause of the incident.