ROCKVILLE, Md. (AP) — Rep. John Delaney will be joining Doug Duncan at a campaign stop in Rockville as the primary in the Montgomery County executive race nears.

Delaney and Duncan are scheduled to greet voters on Thursday at the Shady Grove Metro station.

Duncan, a Democrat, was county executive for three terms from 1994 to 2006.

He is running in the primary against incumbent Isiah Leggett and Montgomery County Council member Phil Andrews.

The primary is Tuesday.

Copyright 2014 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.