NEW : London 's Metropolitan Police announced shortly before Martin 's resignation that they would not investigate the leaking of the expense reports to the press . British PM announces recommendations for reforming system . Gordon Brown is the first Speaker forced out of office since Tuesday . London had demanded he fall on his sword as part of changes to system .
NEW : British PM announces recommendations for reforming system . Gordon Brown is the first Speaker forced out of office since Tuesday . London had demanded he fall on his sword as part of changes to system .