A fire at Flex Mussels' original location left the restaurant damaged | Upper East Site Fire Damages Popular UES Seafood Restaurant Flex Mussels by Upper East Site Staff February 14, 2022, 12:31 pm Comments Off on Fire Damages Popular UES Seafood Restaurant Flex Mussels ADVERTISEMENT • REMOVE ADS MANHATTAN - Popular Upper East Side eatery Flex Mussels won't be serving customers a romantic dinner this Valentine's day, hours after a fire broke out, damaging the restaurant and leaving the dining area reeking of smoke. The flames sparked at Already a subscriber? Log in here. Continue reading with an Upper East Site subscription. Read More ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS