A dog which attacked five police officers in Stratford is believed to have been responsible for another attack on a passer-by last year.
The officers were set upon in Albert Square yesterday morning.
One man has been arrested.
More top news
Some of the best stories from the past week on itv.com/london. Got a story? Email us at email@example.com
House prices in two London boroughs saw rises that are higher than Prime Minister David Cameron's annual salary. See the full list here.
Gordon Ramsay has told the High Court he felt like "a performing monkey" as he built up his restaurant empire while father-in-law.