It took place at around 10.15 in the morning on the 31st of August.
The woman was sitting on the top deck of the 468 as it headed towards Croydon when she was assaulted by the man.
Anyone with information is asked to contact police.
It took place at around 10.15 in the morning on the 31st of August.
The woman was sitting on the top deck of the 468 as it headed towards Croydon when she was assaulted by the man.
Anyone with information is asked to contact police.