The King of Tonga

The King of Tonga, George Tupou V, has died in a Hong Kong hospital: see
 http://www.abc.net.au/news/2012-03-19/king-of-tonga-dead/3897426

When we visited Cath in Tonga in 2008, there were still arches etc from his coronation.    I'm not sure how long these lasted, but I suppose new ones will be required when the new king is crowned!