An elderly man grabbed the chest of a woman as they passed each other in the street.
The 22-year-old victim was walking along Barrack Road in Bexhill towards the underpass at King Offa Way on Friday between 1.30pm and 1.50pm when she saw a man walking in her direction.
As they came closer to each other he said hello to her and then grabbed her chest over her clothing before walking off.
Her attacker is described as white, aged between 70 and 80, 5' 3", with short light grey hair, of skinny build, clean shaven and was wearing a bright green fleece at the time.
Anyone with information is asked to call Sussex Police on 101 or email firstname.lastname@example.org quoting serial 0871 of 29/08.