Northern Territory Police are calling for public assistance in locating 10-year-old Daryl Sorrell.

Daryl was last seen about 4.30pm Friday getting on the number 12 bus to Casuarina.

He was wearing a Wulagi Primary School uniform with an orange backpack. He may have had a change of clothes. He may also be wearing a bright green cap.

He is known to frequent the Leanyer skate park, Sanderson Middle School BMX track and Casuarina Shopping Centre.

Any sightings should be reported to Police on 131 444.