MALVERN, Pa. -

Disturbing sex charges have been filed against a music teacher in Chester County.

Investigators say 44-year-old Anton Fomin, of East Pikeland Township, sexually abused three young children.

They say he's a teacher at the Malvern School of Music and officials say the victims are 6-year-old students.

Authorities say the acts happened during piano lessons.

Fomin faces a slew of charges, including aggravated indecent assault.