Lost black leather jacket at U2 gig in 3arena (Friday)

Designer Ladies, size medium leather type biker jacket with rose gold coloured zips on front, pockets and cuffs. Strip of Different material down arms Was standing on right hand side of stage (looking towards it) and it went missing about 1 hour after the gig started. Reported it to 3 arena but it wasn't handed in. Not the first in the 3 arena unfortunately from what I can see on this. Really why would you walk away with someone's jacket especially in winter? My first time (and last) wearing it!