The victim was left extremely upset and distressed by what happened and we are very keen to trace the man responsible. He is described as white, in his mid 20s, wearing cream shorts, a grey hooded top and a red baseball cap. Anyone with information is asked to contact Sussex Police on 101, quoting reference 1222 of 23 March. Alternatively, call the independent charity Crimestoppers anonymously on 0800 555111.
More top news
Philippa has Monday's weather for the east
Philippa has Monday's weather for the west
The airline says it aims to resume most UK flights today - but experts warn it could take days for services to return to normal.