A Cambodian court has charged a Swiss man with sexually abusing two minors, a government official said Sunday. Police said Rudolph Knuchel, 62, was arrested on Friday on suspicion of sexually abusing two boys, ages 14 and 16, after bringing them to his home in Siem Reap province. "The judge has charged him for child sex abuse," said Sun Bunthorng, the director of the government department that deals with human trafficking and protecting minors. He said police also found evidence of child porn videos on Knuchel's computer. The judge could not be reached for comment. Samleang Seila, director of the anti-paedophile group Action Pour Les Enfants, which aided local authorities in the in the arrest, told AFP that his team and police had been tracking Knuchel's activities for nearly a year.