Upon learning of AndrÃ 's capture , Arnold fled down the Hudson River to the British ship HMS Vulture . He was almost captured by the forces of George Washington , who had been alerted to the plot .
Upon learning of AndrÃ 's capture , Arnold fled down the Hudson River to the British sloop-of-war Vulture , narrowly avoiding capture by the forces of George Washington , who had been alerted to the plot .