SAN EMILIO, Ilocos Sur – A passenger was killed and six others, including the driver, were injured after their truck plunged into a 40-meter-deep ravine in Sitio Lidaoan, Barangay Matibuey here on Wednesday morning, June 17.The San Emilio Municipal Police Station (MPS) said the 50-year-old driver from Santa Lucia, Ilocos Sur reportedly lost control of the steering wheel while negotiating a descending portion of the road. The vehicle hit a roadsi…