Catelyn Captures Tyrion

At an inn on the kingsroad, Catelyn Stark encounters Tyrion Lannister and, believing him responsible for the attempt on Bran's life, has him arrested. She enlists the help of her father's bannermen and takes Tyrion to the Eyrie for trial. This act of aggression triggers the Lannister military response and escalates the conflict into open war. Tyrion, though innocent, is forced to demand a trial by combat.