The student group that sponsored the Tet Festival in Costa Mesa ousted two top leaders and filed a police report alleging suspected embezzlement of over $100,000, according to a statement posted on its website Monday.

The Union of Vietnamese Student Associations of Southern California removed President Nina Tran and Treasurer Helen Nguyen from their volunteer posts, according to a report on its website that was also put out on Twitter.

Tran and Nguyen could not be reached for comment Monday night.

The UVSA alleges $118,000 was stolen between November 2012 and November 2014, with $33,224 recovered since.

Other UVSA leaders could not be reached Monday.

The internal investigation, which began with a review of the 2013 Tet Festival finances, ended April 24 and found unauthorized use of UVSA charitable funds.

Garden Grove police took a report on Monday from UVSA, claiming it was a victim of embezzlement and grand theft, but would not comment further.

Contact the writer: rkopetman@ocregister.com