A bus was 'hit and damaged' whilst being driven through Selsey yesterday afternoon (Wednesday), according to Sussex Police.
Police said that at 5.30pm, officers received a call that a window on the bus had been struck by a piece of rock in High Street, Selsey.
A spokesman said: "A bus window had been hit and damaged by a piece of rock. Nobody was injured.
"Anyone with information can contact the police either online at https://www.sussex.police.uk/contact/af/contact-us/ or by calling 101, quoting serial 1205 of 07/11."