London Bridge: 'I saw people die' - BBC News
Bryonn Bain was giving a workshop at Fishmongers' Hall when the attack began.
An American academic has spoken of the moment the convicted terrorist, Usman Khan, launched an attack during a conference near London Bridge on Friday.

Jack Merritt and Saskia Jones were stabbed to death and three others were wounded.

Bryonn Bain, a professor at UCLA, was running a workshop about prisoner rehabilitation at the Fishmonger's Hall.