Sean Ryan A medical emergency halted a major concert by The Coronas seconds after it started at King John’s Castle in Limerick city on Friday night. Thousands of revellers had flocked to the venue near Limerick city centre on Friday night for the ‘Live at the Castle’ gig which was due to kick-start the Bank Holiday weekend festivities. However, shortly after the Corona’s took to stage guitarist Lar Kaye suffered a medical emergency.