 The cause was an electrical fault.No personal injuries were sustained, but the damage to the theatre was severe.The theatre required major reconstruction once again and was reopened on Sunday, 3 February 1991, by Mr Brendan Daly, T.D., Minister of State for Heritage Affairs, Department of the Taoiseach, in the presence of the mayor, Mr. Madden, and members of Limerick Corporation, to a musical performance by Mary Black.