An independent investigation is to examine the Electoral Commission's decision to allow an extremist party to use a slogan featuring murdered soldier Lee Rigby.
Jenny Watson, chair of the independent commission, said today that "an immediate and full independent investigation" will follow to "prevent this from ever happening again".
The watchdog issued an apology yesterday for allowing Britain First to use the description "Remember Lee Rigby" on voting slips for next month's European elections.
More top news
The number of reported anti-semitic incidents in the UK have increased by just over 50%, figures released by a charity have suggested.
Athletes competing at next years Summer Olympic Games in Rio de Janeiro will be using waters contaminated with human feces, a study finds.
Former One Direction star Zayn Malik said he will reveal the "real me" to fans after penning a new record deal.