Police are appealing for public assistance to help locate missing Whittlesea teenager Thomas Bastin.

The 13-year-old was last seen about 9pm at his home address on Gardenia Avenue on Tuesday (July 30)

Police and family have concerns for Thomas’s welfare due to his age.

Thomas is known to frequent the South Morang and Preston areas.

Investigators have released an image of Thomas in the hope that someone may have information on his current whereabouts.

Anyone who sees Thomas is urged to contact Whittlesea Police Station on 9716 2102.