Zack Polanski apologises for sharing tweet criticising police at Golders Green stabbings

Apology comes after head of Met police said Green party leader risked undermining public confidence in his officers

Zack Polanski has apologised for sharing a social media post critical of police after the Golders Green stabbings, after the head of the Metropolitan police said the Green leader risked undermining public confidence in his officers.

Polanski, who leads the Greens in England and Wales, said he was sorry for having shared someone else's post in haste".