Aneurin Bevan Health Board says it has been receiving "walking wounded" casualties at the Royal Gwent Hospital's accident and emergency department in Newport after this morning's M4 crash.
A spokesperson for the health board confirmed ten casualties have been treated for minor injuries in Newport and one has been admitted with more serious injuries.
Two off-site triage centres were also set up in the area following the crash - one at St Julian's clinic and the other at Newport Centre.
More top news
It'll be an unsettled afternoon across Wales, with blustery winds and heavy rain. Gales expected in many areas.
A bronze war memorial which was moved from a fire damaged chapel in Aberystwyth seven years ago is now being returned to its original place.
The introduction of a "stickers in windows" hygiene ratings scheme has been a big success, says Deputy Health Minister Vaughan Gething.