European Professional Club Rugby [EPCR] is to apologise to Cardiff Blues and Glasgow Warriors over the clash of kit colours which reduced their Heineken Champions Cup encounter on Sunday to a farce.

Both sides lined up in blue kits - Glasgow's attire was a marginally lighter shade - and Wales international Gareth Anscombe labelled the clash "a disgrace", saying EPCR should be held accountable for the confusion.

The tournament organisers said in a statement on Monday: "EPCR has procedures in place for ensuring that playing kits for matches in its tournaments are distinctive, however, these procedures were not sufficiently followed through for last weekend's Heineken Champions Cup, Round 2 match at Cardiff Arms Park.

"EPCR will be formally contacting both Cardiff Blues and Glasgow Warriors in due course to apologise."