G keith Wright is a professor at the university of suffolk in the u k. He studyd crowd dynamics for crowd safety and crowd risk analysis. The death tol has now risen to at least forty four after what appears to have ben a stampede at ar religious festival tasenm police say at forty five people had died during a stampede in darisalam on march 21, as monas paid their last respects tof the late president john magufuly. So many amid these major events are run by enthusiastic amateurs rather than professionally trained, crot safety encroed risk experts.