Kylie Jenner testifies she warned brother about Blac Chyna

Kylie Jenner testified on Monday that she expressed concerns to her brother Rob Kardashian about his new girlfriend and soon-to-be reality TV co-star Blac Chyna (Ian West/PA)

Kylie Jenner testified on Monday that she expressed concerns to her brother Rob Kardashian about his new girlfriend and soon-to-be reality TV co-star Blac Chyna.

Ms Jenner said she had heard Ms Chyna had a tendency to abuse drugs and alcohol and become violent and had gotten a possible glimpse of it herself.