Quote Originally Posted by ermitonto
Let me put it this way:

Say you are in a room with four other people. One person takes out a knife and stabs another one to death, then starts approaching you and the other two. Now say you have a gun, and the three of you have to decide before he gets there whether you're going to shoot him or let him stab you all. Is it wrong to shoot him to protect the three of you?
well thatd be perfect self defence..