Fans of Welsh band Catfish and the Bottlemen were left shocked and disappointed this evening as MCD announced that the band had cancelled their RDS gig 15 minutes before doors were due to open.A statement issued by MCD on X at 6.45pm, said: “We regret to inform you that tonight’s Catfish and the Bottlemen show is cancelled due to artist illness. Refunds are available from point of purchase. Apologies to all the fans who have travelled to the show today and for any inconvenience caused.”Some fans posted pictures of themselves crying, having travelled to the RDS for the show before…