OROVILLE (CBS13) – A former Oroville English instructor was arrested on charges of sexually assaulting three students.

Since 2011, the Butte County Sheriff’s Office Special Victims Unit has been investigating allegations that 53-year-old You Lee Vang sexually assaulted students at Poplar Ave School. Vang taught English as a Second Language to Hmong students between 2001 and 2011.

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In 2011, a girl said Vang sexually assaulted her between 2006 and 2007, when she was around the ages of 8 or 9 years old.

An investigation led deputies to three other victims who made similar claims.

Before he could be questioned in 2011, Vang moved to Anchorage, Alaska.

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Deputies arrested Vang on April 10 in Anchorage and transported him back to Butte County.

He was booked into Butte County Jail on multiple counts of digital penetration of a child under the age of 10, lewd acts on a child with force and lewd acts on a child.

His bail is set at more than $3 million.

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Anyone with information regarding Vang is encouraged to contact Detective D’Amato at the Butte County Sheriff’s Office SVU at (530) 538-7321.