UPDATE: 4.26pm
A Welsh Ambulance Service spokeswoman said they took a woman in her fifties to Nevill Hall Hospital in Abergavenny.
She said they were called at 2.23pm today and a paramedic in a rapid response car and an emergency ambulance responded.
UPDATE: 3.31pm
Firecrews have left the crash scene on the A449.
UPDATE: 3.04pm
One lane is closed on the A449 southbound as a result of the crash.
UPDATE: 2.47pm
FIREFIGHTERS are en-route to a crash on the A449 southbound between Raglan to Usk this afternoon.
The crash is reported to be between a lorry and a car towing a caravan.
Drivers are advised to avoid the area if possible as delays are expected.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here