Restoration work on the site of King John's Castle in Limerick has been stopped following major archaeological finds dating back to the seventh century.
Report shows excavations at the castle, which unearthed an early Christian wall, a sunken Viking house from the 10th century and a wall from the 13th century.
Archaeologists at work.
Interview with Celie O'Rahilly, Limerick City Archaeologist, who says that the finds are very important both in local and national terms.
Medieval Quarter of Limerick city.
Interview with Brendan Lynch, Shannon Development, who still hopes that the project will be completed in time For Limerick's treaty celebrations in 1991.
Plan of King John's Castle.
Archaeologists at work.
The reporter is Michael Lally.