Kourtney Kardashian addresses ex-boyfriend's 'deal-breaker' substance abuse issues

Kourtney Kardashian said ex-boyfriend Scott Disick’s substance abuse issues were a ‘deal-breaker’ for their relationship (Ian West/PA)

Kourtney Kardashian has said ex-boyfriend Scott Disick’s substance abuse issues were a “deal-breaker” for their relationship.

The reality star made the claim in a teaser for a reunion show that will air after the final episode of Keeping Up With The Kardashians.