Capt. Robert Kelly holds off the foreign mob single-handed and makes good his escape during the Boxer rebellion. Capt. Robert Kelly holds off the foreign mob single-handed and makes good his escape during the Boxer rebellion. Capt. Robert Kelly holds off the foreign mob single-handed and makes good his escape during the Boxer rebellion. Capt. Robert Kelly holds off the foreign mob single-handed and makes good his escape during the Boxer rebellion.