GRANITE CITY – Felony charges were filed last week against two Granite City sex offenders in unrelated Madison County cases.Zavien A. Holt, 24, of the 3000 block of Sunbury Avenue in Granite City, was charged on Sept. 25, 2026 with a Class 4 felony count of presence within a school zone by a child sex offender.Holt is accused of knowingly loitering within 500 feet of a school building or school property while students under the age of 18 were pr…