 When the castellan, Cortnay Penrose, refused to yield even after Renly's death, he was killed by Stannis' ally, the priestess Melisandre, and the castle surrendered.Later, the castle was besieged by a strong army under Mace Tyrell, but he abandoned the siege after a few weeks to return to King's Landing after the arrest of his daughter Margaery by the High Septon.As of "A Dance with Dragons", the castle remains in the hands of Stannis Baratheon.