A woman, believed to be in her 20s, suffered 'serious injuries' after she was involved in a collision with a lorry.

Emergency services currently remain at the scene of the collision on the A47, just north of Rackhams Corner in Lowestoft.

A police spokesman said: 'Police were contacted at around 2.50pm today (Monday, May 22), to reports of a collision on the A47 dual carriageway northbound, near to the Lound junction, involving an HGV and a pedestrian.

'The pedestrian, a woman, has been taken to the James Paget University Hospital in Gorleston with what are believed to be serious injuries.'

A spokesman for the East of England Ambulance Service said that an ambulance crew, rapid response vehicle, ambulance officer and the East Anglian Air Ambulance were sent to the scene.

'They treated a woman, believed to be in her 20s, who had suffered a serious head injury,' the spokesman said.

'The pedestrian was taken to the James Paget University Hospital in Gorleston in a life-threatening condition.'

Police said that the northbound carriageway remains closed while emergency services are in attendance. The southbound carriageway is open.

Diversions have been put in place while an investigation is carried out, and motorists are being urged to find alternative routes where possible.

Witnesses are asked to call the Serious Collision Investigation Team on 101, quoting reference 261 of Monday, May 22.