Police would like to speak to the man pictured in connection with an incident at the Lord Butler Fitness and Leisure Centre in Peaslands Road, Saffron Walden.
A man was seen acting suspiciously in changing rooms at about 8pm on Tuesday, January 6.
Police would like to trace the man pictured in the CCTV image.
He was clean shaven and wore a dark tracksuit top with stripes along the sleeves.
Anyone with information is asked to call Pc Trevor Hazell at Saffron Walden police station on 101.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here