Burnham did not do enough to tackle grooming gangs crisis, says ex-police whistleblower as Reform prepare to use scandal to attack Labour by-election frontrunner

A former police whistleblower criticizes Burnham's handling of grooming gangs crisis, as Reform prepares to use the scandal to attack Labour by-election frontrunner. The criticism comes ahead of a by-election, where Labour is expected to perform well. The whistleblower's comments may impact the election outcome.