A second arrest has been made over the death of PC Andrew Duncan after he died from his injuries following a hit and run collision on Friday.
The Met have confirmed a woman has been arrested on suspicion of perverting the course of justice. She remains in custody at a South London police station.
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A cyclist who ploughed into a mother-of-two has been cleared of manslaughter but convicted of "wanton and furious driving".
Women in Tower Hamlets can expect to live for 30 years in ill health, compared to just under 12 years for men in Enfield.
Travel website Lonely Planet has included Tooting, south London, in its list of the globe's must-visit locations.