PHUKET: The case against Kata-Karon Mayor Tawee Tongcham was passed by police investigators to the Phuket Prosecutor's Office today, Phuket taxi task force chief Major General Praveen Pongsirin said. Four other officials from the municipal council are among 113 people arrested in Phase I of the probe. Plans for a call centre system to enable taxis to pick up and drop off passengers anywhere on the island are going ahead, the major general said.