BBC: A warning has been issued to ships in the southern Pacific Ocean after more than 100 icebergs were spotted drifting towards New Zealand. The icebergs, some of which are 200m (650ft) in size, are believed to have broken from an Antarctic ice floe. Many scientists have said they believe these segments will break up long before reaching the New Zealand coastline. The last time such a large flotilla was spotted so nearby was in 2006. Maritime New Zealand has issued …