Rahul Gandhi's convoy involved in collision: Four cars collide with ambulance on UP's Purvanchal Expressway | Video. At least four cars in the convoy of Congress MP Rahul Gandhi collided with an ambulance on the Purvanchal Expressway in Uttar Pradesh’s Haliyapur area in Sultanpur district on Monday.The Congress leader was reported to be safe. “No one was seriously injured,” news agency PTI reported.