Former Sky Blue Paul Furlong also played in the game for 65 minutes.
Locally, Leamington lost 1-0 at in form Chesham United. Bangura scored the only goal of the game in the 50th minute.
King scored twice for Atherstone Town, who are expected to be losing their manager Dale Belford shortly, in a 6-2 defeat at AFC Hayes.
Connolly scored for Rugby Town in a 4-1 defeat at Arlesley Town. Former Nuneaton striker Chris Dillon scored twice.
In the Birmingham Midweek Floodlit Cup, Southam United were beaten 3-1 at home by Continental Star.
There was a shock in the Coventry Charity Cup when Massey Ferguson were beaten 4-2 after extra-time by Midland Combination Division One side Kenilworth Town.