Up to 12 naked men who ran back-and-forth on a town centre bridge are being sought by police.
The group was seen in Bridgnorth on a Saturday night, according to the town's safer neighbourhood policing team.
A spokesman for the team said the incident, which happened on the bridge in Low Town at around 9.15pm on April 28, had caused "some alarm".
A spokesman for the police said: "A group of naked men ran across the bridge in Low Town, Bridgnorth, just after 9pm on Saturday night.
"The group of ten to twelve men, all apparently naked, crossed the bridge in Low Town on a number of occasions.
"This behaviour caused some alarm to members of the public in the area and the police would like to speak to those responsible."
Anyone with information that may help the police identify the men responsible is being asked to call 101 and refer to incident number 0685S 290418.
Alternatively people can e-mail Bridgnorth's dedicated safer neighbourhood team at firstname.lastname@example.org.