(a) The Yosippon says a big stone was thrown down and fell onto Agrippa’s shoulder, hurting his arm and knocking him to the ground.
(b) The Yosippon has none of the long passage in the Greek on the mistreatment of those fleeing by Titus. Instead of this long long section, it has a few lines saying he treated them kindly and exhorted those in the city to follow their example. The form in the Greek is illogical if you think about it.
Stephan Huller has had a life long interest in religion and spirituality 
dating back to conversations with his grandfather, Gaston Frank. "He said we represent one of the last descendants of the Frankist Jewish faith in the world," he muses. "I grew up thinking that our family was something like the Last of the Mohicans."