Leyton Orient announced a managing turnover, through their official website:
"The club can confirm that Andy Hessenthaler has been relieved of his role as first team manager.
We would like to thank Andy for his service to Leyton Orient, since arriving in July 2015, and wish him well in his future career.
Assistant manager Andy Edwards will be assuming Hessenthaler’s duties on an interim basis and will take charge of the team for tomorrow’s night’s Sky Bet League Two home game with Plymouth Argyle".
Source: transfermarketweb.com