Police are hoping to identify a possible witness after a man in his 70s was knocked over by an unknown person on a bicycle in Blatchington Road.
It happened at around 9.45am on 23 May, outside the Post Office at the junction of George Street.
The victim suffered leg and facial injuries.
Enquiries have been ongoing since that time, including a review of CCTV footage in the area.
As a result, officers have identified a man (pictured) who they believe was on scene moments after the assault and who may have seen the suspect.
They would like to speak to him to see if he has any information that could assist the ongoing investigation and ask him or anyone who recognises him to get in touch.
The suspect is described as aged 20-25, around 6’ and of slim build, and was riding a red bicycle.
Anyone who witnessed the assault or who has any other information is asked to contact police online or by calling 101 quoting serial 686 of 31/05.
Teenager In Custody On Crawley Attempted Murder Charge
Appeal Following Assault In Hastings
Road Closed As Armed Police Attend Incident In Worthing
Lewes District Council Placed In Planning Special Measures
‘Life-Changing’ Medication For Asthma Patients Now Available In Sussex
Arms Factory Demonstrator Disrupts Brighton & Hove Council Meeting
Patients Forced Into 'Pharmacy Bingo' - As Survey Says Medicine Shortages 'Beyond Critical'
Appeal for information After Man Dies In Hastings Collision
Wealden To Hold National Dementia Action Week This Month
Brighton Food Festival To Be Charged For Mud Bath