The Welsh Ambulance Service has confirmed it attended a traffic collision on Fontgary Road in Rhoose at 8:55am.
A car had been in collision with several adults and children… soon after it was declared a major incident due to the number of casualties involved and their injuries.
Six patients have been conveyed to UHW Cardiff by land ambulances (four children with head/abdomen injuries and fractures; two adults with fractures).
Three patients have been conveyed to Princess of Wales Hospital by land ambulances (two adults and one child – all with minor injuries).
The spokesperson added there are no details yet regarding the severity of the injuries.
More top news
Wales's vote to leave the European Union should not damage Cardiff's reputation as a 'inclusive' city, say council officials.
The two men who ran Wales Stronger in Europe have revealed where they think the campaign went wrong -and call for Jeremy Corbyn to resign.
After a dry start for many, rain will quickly spread across the country turning heavy in places, most likely in the north and west.