Police have released CCTV footage of a suspect after a woman in her 20s had acid thrown on her while she stood on her doorstep.
Police attended the home of the victim in Steine Gardens, Brighton on Thursday at around 4:20pm.
The woman was taken to hospital where she remains with potentially life-changing injuries.
The suspect has been described by witnesses as a black woman, around 5’6” tall and was carrying a blue rucksack and wearing a face visor.
The clip released by Sussex Police shows a woman entering a supermarket wearing an orange hooded jumper, light blue jeans, white trainers and a visor.
Watch: CCTV footage of the suspect
Brighton and Hove Chief Inspector Nick Dias said: “Our officers continue to work tirelessly to identify the suspect in relation to this matter and ensure an arrest is made.
“We need your help in identifying the person in the footage, do you recognise them?
“We believe the suspect fled towards Princes Street, Brighton, and then towards the seafront.
"We are urging anyone who witnessed someone acting suspiciously in this area between the hours of 3pm and 5pm on Thursday (20 May) to make contact with us.
“Patrols continue to be stepped up in the city, please do come and talk to one of us if you have any information or concerns.”
Anyone with information is asked to report in on the Sussex Police website or call 101 quoting Operation Overstone.