I have a ford fiesta ghia with 23k mileage.When I brake in reverse gear there is a noise from the rear. It has just passed MOT,any thoughts on cause

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.