METALS-London copper set for weekly loss, demand to rise

(Adds comment, detail; updates prices) By Melanie Burton MELBOURNE, Feb 23 (Reuters) - London copper prices eased on Friday and were heading for a small weekly drop as the dollar strengthened, but the outlook for demand looked bright due to healthy global economic growth. Trade was resuming slowly after Chinese markets reopened on Thursday following the Lunar New Year holiday, with consumers expected to return to the market in coming weeks to restock ahead of the seasonally stronges