Natasha Ednan-Laperouse, 15, from Fulham, west London, died in July 2016 following a severe allergic reaction to sesame baked into the Pret sandwich

Mariam Ahmed, 38, died after her Volkswagen was involved in a high-speed collision on Eltham Road, south-east London

Declan Sawyer, 15, died after getting into trouble at Swanholme Lakes, Lincoln, on Sunday

The policy follows incidents like the Golders Green knife attack, where officers faced online criticism for their use of force

Clifton George, 45, is accused of murdering 46-year-old Annabel Rook during an argument at their home in Dumont Road

Body-worn footage shows the terror suspect advancing towards police holding a knife.

London-born Jermaine Grant, 43, allegedly attended Al-Shabaab commando training camps and took part in a number of battles in Somalia