ORANI, Bataan: Two employees of a water drilling company were killed when the service tricycle they were riding collided with an incoming Mazda van at the Roman Superhighway on Friday. P/Insp. Albert Manabat, Orani deputy police chief for operations, said driver Nelson Garcia, 43, single, died on the spot while passenger Mario dela Rosa, 32, married, died at the Bataan General Hospital in Balanga City. Both were on their way home when the accident happened. Two minor passengers aged 4 and 11 years of the Mazda van sustained slight injuries. The van came from Gabaldon, Nueva Ecija with seven passengers. Van driver Junio Santos remained at-large.