While Macduff goes to wake the king, Lennox tells Macbeth about the stormy weather the night before, calling it stronger than any storm he ever remembers. Macduff comes running and yelling from Duncan's chamber after discovering the dead body. Macbeth, Lennox, and all the other nobles come running. Lady Macbeth is horrified something like this could happen in her house. Malcolm and Donalbain discover the crowd and are informed their father has been killed.