Swap half-eaten donut for Krispy Kreme freebie..

BRAND'S WAR AGAINST 'DUPES'

- by GEMMA FRANCIS

KRISPY Kreme is offering customers a “part exchange” where they can swap a half-eaten doughnut for a new one.

The chain will upgrade partially munched treats from rival brands to weed out “dupes” of its Original Glazed product.