Samsung Fire & Marine Insurance is seeking to raise its stake in British specialty insurer Canopius from 40 percent to about 80 percent in a deal with US investment firm KKR and other investors, according to local industry reports Monday. Samsung Fire and its partners would pay a combined $2.2 billion for the 60 percent of Canopius that the Korean insurer does not already own. Samsung Fire would raise its stake from the current 40 percent to about 80 percent, while the other institutional invest