The US today regretted the inconvenience caused to Indian students and said it wants to quickly resolve the visa fraud issue leading to the closure of the California-based Tri-Valley University. State Department spokesman P J Crowley told reporters in Washington that US understands the concerns the government of India and the students are victims of somebody else's fraud. He said that the Indian authorities will be kept fully informed in this regard. Meanwhile, India's Consul General in San Francisco Susmita Gongulee Thomas said Immigration and Custom Enforcement have removed radio tags from three more Indian students and returned their passports along with the two others, from whom radio tags were removed last week. In all radio tags so far has been removed from five of the 18 Indian students. According to a federal complaint filed in a California court in January, the TVU had helped foreign nationals illegally acquire immigration status. The university is said to have 1,555 students. As many as 95 per cent of these students are Indian nationals, the complaint said.